31332000123 has 32 divisors (see below), whose sum is σ = 46942848000. Its totient is φ = 20652300000.

The previous prime is 31332000109. The next prime is 31332000137. The reversal of 31332000123 is 32100023313.

It is an interprime number because it is at equal distance from previous prime (31332000109) and next prime (31332000137).

It is not a de Polignac number, because 31332000123 - 2⁴ = 31332000107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31332000096 and 31332000105.

It is not an unprimeable number, because it can be changed into a prime (31332000923) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2040328 + ... + 2055626.

It is an arithmetic number, because the mean of its divisors is an integer number (1466964000).

Almost surely, 2^31332000123 is an apocalyptic number.

31332000123 is a deficient number, since it is larger than the sum of its proper divisors (15610847877).

31332000123 is a wasteful number, since it uses less digits than its factorization.

31332000123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16160 (or 16154 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 31332000123 its reverse (32100023313), we get a palindrome (63432023436).

The spelling of 31332000123 in words is "thirty-one billion, three hundred thirty-two million, one hundred twenty-three", and thus it is an aban number.