31464864310128 has 40 divisors (see below), whose sum is σ = 86065658262288. Its totient is φ = 9871329979392.

The previous prime is 31464864310109. The next prime is 31464864310129. The reversal of 31464864310128 is 82101346846413.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31464864310129) 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, 19279940551 + ... + 19279942182.

Almost surely, 2^{31464864310128} is an apocalyptic number.

It is an amenable number.

31464864310128 is an abundant number, since it is smaller than the sum of its proper divisors (54600793952160).

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

31464864310128 is a wasteful number, since it uses less digits than its factorization.

31464864310128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38559882761 (or 38559882755 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 51.

The spelling of 31464864310128 in words is "thirty-one trillion, four hundred sixty-four billion, eight hundred sixty-four million, three hundred ten thousand, one hundred twenty-eight".