31302114123 has 16 divisors (see below), whose sum is σ = 47722625280. Its totient is φ = 17877860256.

The previous prime is 31302114097. The next prime is 31302114133. The reversal of 31302114123 is 32141120313.

It is not a de Polignac number, because 31302114123 - 2⁹ = 31302113611 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 31302114123.

It is not an unprimeable number, because it can be changed into a prime (31302114133) 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 15 ways as a sum of consecutive naturals, for example, 335040 + ... + 418157.

It is an arithmetic number, because the mean of its divisors is an integer number (2982664080).

Almost surely, 2^31302114123 is an apocalyptic number.

31302114123 is a deficient number, since it is larger than the sum of its proper divisors (16420511157).

31302114123 is a wasteful number, since it uses less digits than its factorization.

31302114123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755186.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 31302114123 its reverse (32141120313), we get a palindrome (63443234436).

The spelling of 31302114123 in words is "thirty-one billion, three hundred two million, one hundred fourteen thousand, one hundred twenty-three".