31400411328 has 168 divisors, whose sum is σ = 105738783696. Its totient is φ = 8783308800.

The previous prime is 31400411327. The next prime is 31400411363. The reversal of 31400411328 is 82311400413.

It is not an unprimeable number, because it can be changed into a prime (31400411327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108243 + ... + 272978.

It is an arithmetic number, because the mean of its divisors is an integer number (629397522).

Almost surely, 2^31400411328 is an apocalyptic number.

It is an amenable number.

31400411328 is an abundant number, since it is smaller than the sum of its proper divisors (74338372368).

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

31400411328 is a wasteful number, since it uses less digits than its factorization.

31400411328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381263 (or 381250 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The spelling of 31400411328 in words is "thirty-one billion, four hundred million, four hundred eleven thousand, three hundred twenty-eight".