31320000123288 has 32 divisors (see below), whose sum is σ = 78300201582960. Its totient is φ = 10439973204480.

The previous prime is 31320000123287. The next prime is 31320000123301. The reversal of 31320000123288 is 88232100002313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31320000123281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9327156 + ... + 12232572.

Almost surely, 2^{31320000123288} is an apocalyptic number.

It is an amenable number.

31320000123288 is an abundant number, since it is smaller than the sum of its proper divisors (46980201459672).

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

31320000123288 is a wasteful number, since it uses less digits than its factorization.

31320000123288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3354587 (or 3354583 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 31320000123288 in words is "thirty-one trillion, three hundred twenty billion, one hundred twenty-three thousand, two hundred eighty-eight".