31412120928 has 48 divisors (see below), whose sum is σ = 82545810480. Its totient is φ = 10459406336.

The previous prime is 31412120903. The next prime is 31412120933. The reversal of 31412120928 is 82902121413.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 86925 + ... + 265292.

It is an arithmetic number, because the mean of its divisors is an integer number (1719704385).

Almost surely, 2^31412120928 is an apocalyptic number.

It is an amenable number.

31412120928 is an abundant number, since it is smaller than the sum of its proper divisors (51133689552).

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

31412120928 is a wasteful number, since it uses less digits than its factorization.

31412120928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353159 (or 353151 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The spelling of 31412120928 in words is "thirty-one billion, four hundred twelve million, one hundred twenty thousand, nine hundred twenty-eight".