31123414011403 has 16 divisors (see below), whose sum is σ = 37209594456000. Its totient is φ = 25467900175872.

The previous prime is 31123414011401. The next prime is 31123414011451. The reversal of 31123414011403 is 30411041432113.

It is not a de Polignac number, because 31123414011403 - 2¹ = 31123414011401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31123414011401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 861315138 + ... + 861351271.

It is an arithmetic number, because the mean of its divisors is an integer number (2325599653500).

Almost surely, 2^{31123414011403} is an apocalyptic number.

31123414011403 is a deficient number, since it is larger than the sum of its proper divisors (6086180444597).

31123414011403 is a wasteful number, since it uses less digits than its factorization.

31123414011403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722666534.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 31123414011403 its reverse (30411041432113), we get a palindrome (61534455443516).

The spelling of 31123414011403 in words is "thirty-one trillion, one hundred twenty-three billion, four hundred fourteen million, eleven thousand, four hundred three".