1031012320311 has 32 divisors (see below), whose sum is σ = 1538741721600. Its totient is φ = 682256433600.

The previous prime is 1031012320301. The next prime is 1031012320379. The reversal of 1031012320311 is 1130232101301.

1031012320311 is a `hidden beast` number, since 1 + 0 + 31 + 0 + 1 + 2 + 320 + 311 = 666.

It is not a de Polignac number, because 1031012320311 - 2⁷ = 1031012320183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031012320301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5157160 + ... + 5353346.

It is an arithmetic number, because the mean of its divisors is an integer number (48085678800).

Almost surely, 2^{1031012320311} is an apocalyptic number.

1031012320311 is a deficient number, since it is larger than the sum of its proper divisors (507729401289).

1031012320311 is a wasteful number, since it uses less digits than its factorization.

1031012320311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197636 (or 197630 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1031012320311 its reverse (1130232101301), we get a palindrome (2161244421612).

The spelling of 1031012320311 in words is "one trillion, thirty-one billion, twelve million, three hundred twenty thousand, three hundred eleven".