31965150090 has 16 divisors (see below), whose sum is σ = 76716360288. Its totient is φ = 8524040016.

The previous prime is 31965150047. The next prime is 31965150101. The reversal of 31965150090 is 9005156913.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532752472 + ... + 532752531.

It is an arithmetic number, because the mean of its divisors is an integer number (4794772518).

Almost surely, 2^31965150090 is an apocalyptic number.

31965150090 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31965150090 is an abundant number, since it is smaller than the sum of its proper divisors (44751210198).

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

31965150090 is a wasteful number, since it uses less digits than its factorization.

31965150090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065505013.

The product of its (nonzero) digits is 36450, while the sum is 39.

The spelling of 31965150090 in words is "thirty-one billion, nine hundred sixty-five million, one hundred fifty thousand, ninety".