31130012332113 has 8 divisors (see below), whose sum is σ = 41506728274848. Its totient is φ = 20753318972064.

The previous prime is 31130012332079. The next prime is 31130012332123. The reversal of 31130012332113 is 31123321003113.

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

It is not a de Polignac number, because 31130012332113 - 2⁸ = 31130012331857 is a prime.

It is a super-2 number, since 2×31130012332113² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31130012332123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2113495 + ... + 8168652.

It is an arithmetic number, because the mean of its divisors is an integer number (5188341034356).

Almost surely, 2^{31130012332113} is an apocalyptic number.

It is an amenable number.

31130012332113 is a deficient number, since it is larger than the sum of its proper divisors (10376715942735).

31130012332113 is a wasteful number, since it uses less digits than its factorization.

31130012332113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11291343.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 31130012332113 its reverse (31123321003113), we get a palindrome (62253333335226).

The spelling of 31130012332113 in words is "thirty-one trillion, one hundred thirty billion, twelve million, three hundred thirty-two thousand, one hundred thirteen".