31312101231124 has 48 divisors (see below), whose sum is σ = 62832792185856. Its totient is φ = 13374841651200.

The previous prime is 31312101231113. The next prime is 31312101231133. The reversal of 31312101231124 is 42113210121313.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 9734164 + ... + 12545044.

It is an arithmetic number, because the mean of its divisors is an integer number (1309016503872).

Almost surely, 2^{31312101231124} is an apocalyptic number.

It is an amenable number.

31312101231124 is an abundant number, since it is smaller than the sum of its proper divisors (31520690954732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31312101231124 is a wasteful number, since it uses less digits than its factorization.

31312101231124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2812216 (or 2812214 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 31312101231124 its reverse (42113210121313), we get a palindrome (73425311352437).

The spelling of 31312101231124 in words is "thirty-one trillion, three hundred twelve billion, one hundred one million, two hundred thirty-one thousand, one hundred twenty-four".