1031243064 has 64 divisors (see below), whose sum is σ = 2665008000. Its totient is φ = 332353920.

The previous prime is 1031243063. The next prime is 1031243077. The reversal of 1031243064 is 4603421301.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031243063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80407 + ... + 92345.

It is an arithmetic number, because the mean of its divisors is an integer number (41640750).

Almost surely, 2^1031243064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1031243064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1332504000).

1031243064 is an abundant number, since it is smaller than the sum of its proper divisors (1633764936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1031243064 is a wasteful number, since it uses less digits than its factorization.

1031243064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12068 (or 12064 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1031243064 is about 32112.9734531077. The cubic root of 1031243064 is about 1010.3077400967.

Adding to 1031243064 its reverse (4603421301), we get a palindrome (5634664365).

The spelling of 1031243064 in words is "one billion, thirty-one million, two hundred forty-three thousand, sixty-four".