31032012113 has 8 divisors (see below), whose sum is σ = 31864372800. Its totient is φ = 30209864688.

The previous prime is 31032012101. The next prime is 31032012163. The reversal of 31032012113 is 31121023013.

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

It is a cyclic number.

It is not a de Polignac number, because 31032012113 - 2¹² = 31032008017 is a prime.

It is a super-3 number, since 3×31032012113³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31032012091 and 31032012100.

It is not an unprimeable number, because it can be changed into a prime (31032012163) 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, 2547158 + ... + 2559311.

It is an arithmetic number, because the mean of its divisors is an integer number (3983046600).

Almost surely, 2^31032012113 is an apocalyptic number.

It is an amenable number.

31032012113 is a deficient number, since it is larger than the sum of its proper divisors (832360687).

31032012113 is a wasteful number, since it uses less digits than its factorization.

31032012113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5106631.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 31032012113 its reverse (31121023013), we get a palindrome (62153035126).

The spelling of 31032012113 in words is "thirty-one billion, thirty-two million, twelve thousand, one hundred thirteen".