31232114031 has 4 divisors (see below), whose sum is σ = 41642818712. Its totient is φ = 20821409352.

The previous prime is 31232114027. The next prime is 31232114057. The reversal of 31232114031 is 13041123213.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 31232114031 - 2² = 31232114027 is a prime.

It is a super-2 number, since 2×31232114031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31232113989 and 31232114007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31232114071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5205352336 + ... + 5205352341.

It is an arithmetic number, because the mean of its divisors is an integer number (10410704678).

Almost surely, 2^31232114031 is an apocalyptic number.

31232114031 is a deficient number, since it is larger than the sum of its proper divisors (10410704681).

31232114031 is a wasteful number, since it uses less digits than its factorization.

31232114031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10410704680.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 31232114031 its reverse (13041123213), we get a palindrome (44273237244).

The spelling of 31232114031 in words is "thirty-one billion, two hundred thirty-two million, one hundred fourteen thousand, thirty-one".