31232014402111 has 4 divisors (see below), whose sum is σ = 32589928071792. Its totient is φ = 29874100732432.

The previous prime is 31232014402093. The next prime is 31232014402117. The reversal of 31232014402111 is 11120441023213.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31232014402111 is a prime.

It is a super-2 number, since 2×31232014402111² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31232014402117) 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, 678956834806 + ... + 678956834851.

It is an arithmetic number, because the mean of its divisors is an integer number (8147482017948).

Almost surely, 2^{31232014402111} is an apocalyptic number.

31232014402111 is a deficient number, since it is larger than the sum of its proper divisors (1357913669681).

31232014402111 is a wasteful number, since it uses less digits than its factorization.

31232014402111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357913669680.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 31232014402111 its reverse (11120441023213), we get a palindrome (42352455425324).

The spelling of 31232014402111 in words is "thirty-one trillion, two hundred thirty-two billion, fourteen million, four hundred two thousand, one hundred eleven".