31360400123 has 8 divisors (see below), whose sum is σ = 35759370528. Its totient is φ = 27245234304.

The previous prime is 31360400107. The next prime is 31360400147. The reversal of 31360400123 is 32100406313.

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 31360400123 - 2⁴ = 31360400107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31360400173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70950911 + ... + 70951352.

It is an arithmetic number, because the mean of its divisors is an integer number (4469921316).

Almost surely, 2^31360400123 is an apocalyptic number.

31360400123 is a deficient number, since it is larger than the sum of its proper divisors (4398970405).

31360400123 is a wasteful number, since it uses less digits than its factorization.

31360400123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141902293.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 31360400123 its reverse (32100406313), we get a palindrome (63460806436).

The spelling of 31360400123 in words is "thirty-one billion, three hundred sixty million, four hundred thousand, one hundred twenty-three".