31321141143 has 8 divisors (see below), whose sum is σ = 42349712256. Its totient is φ = 20586665400.

The previous prime is 31321141087. The next prime is 31321141151. The reversal of 31321141143 is 34114112313.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31321141143 - 2⁸ = 31321140887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31321141153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73523593 + ... + 73524018.

It is an arithmetic number, because the mean of its divisors is an integer number (5293714032).

Almost surely, 2^31321141143 is an apocalyptic number.

31321141143 is a deficient number, since it is larger than the sum of its proper divisors (11028571113).

31321141143 is a wasteful number, since it uses less digits than its factorization.

31321141143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147047685.

The product of its digits is 864, while the sum is 24.

Adding to 31321141143 its reverse (34114112313), we get a palindrome (65435253456).

The spelling of 31321141143 in words is "thirty-one billion, three hundred twenty-one million, one hundred forty-one thousand, one hundred forty-three".