31379950 has 24 divisors (see below), whose sum is σ = 66705552. Its totient is φ = 10758720.

The previous prime is 31379947. The next prime is 31379969. The reversal of 31379950 is 5997313.

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 11 ways as a sum of consecutive naturals, for example, 44479 + ... + 45178.

It is an arithmetic number, because the mean of its divisors is an integer number (2779398).

Almost surely, 2^31379950 is an apocalyptic number.

31379950 is an abundant number, since it is smaller than the sum of its proper divisors (35325602).

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

31379950 is a wasteful number, since it uses less digits than its factorization.

31379950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89676 (or 89671 counting only the distinct ones).

The product of its (nonzero) digits is 25515, while the sum is 37.

The square root of 31379950 is about 5601.7809667998. The cubic root of 31379950 is about 315.4162633169.

The spelling of 31379950 in words is "thirty-one million, three hundred seventy-nine thousand, nine hundred fifty".