31010032113 has 8 divisors (see below), whose sum is σ = 41383996800. Its totient is φ = 20654711088.

The previous prime is 31010032111. The next prime is 31010032133. The reversal of 31010032113 is 31123001013.

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

It is not a de Polignac number, because 31010032113 - 2¹ = 31010032111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31010032092 and 31010032101.

It is not an unprimeable number, because it can be changed into a prime (31010032111) 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 7 ways as a sum of consecutive naturals, for example, 4657033 + ... + 4663686.

It is an arithmetic number, because the mean of its divisors is an integer number (5172999600).

Almost surely, 2^31010032113 is an apocalyptic number.

It is an amenable number.

31010032113 is a deficient number, since it is larger than the sum of its proper divisors (10373964687).

31010032113 is a wasteful number, since it uses less digits than its factorization.

31010032113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9321831.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 31010032113 its reverse (31123001013), we get a palindrome (62133033126).

The spelling of 31010032113 in words is "thirty-one billion, ten million, thirty-two thousand, one hundred thirteen".