31123500532113 has 8 divisors (see below), whose sum is σ = 45270546228576. Its totient is φ = 18862727595200.

The previous prime is 31123500532093. The next prime is 31123500532177.

31123500532113 is nontrivially palindromic in base 10.

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 31123500532113 - 2⁵ = 31123500532081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31123500539113) 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, 471568189848 + ... + 471568189913.

It is an arithmetic number, because the mean of its divisors is an integer number (5658818278572).

Almost surely, 2^{31123500532113} is an apocalyptic number.

31123500532113 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

31123500532113 is a deficient number, since it is larger than the sum of its proper divisors (14147045696463).

31123500532113 is a wasteful number, since it uses less digits than its factorization.

31123500532113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943136379775.

The product of its (nonzero) digits is 8100, while the sum is 30.

It can be divided in two parts, 31123500 and 532113, that added together give a palindrome (31655613).

The spelling of 31123500532113 in words is "thirty-one trillion, one hundred twenty-three billion, five hundred million, five hundred thirty-two thousand, one hundred thirteen".