31046379 has 16 divisors (see below), whose sum is σ = 50948352. Its totient is φ = 16375968.

The previous prime is 31046357. The next prime is 31046381. The reversal of 31046379 is 97364013.

It is not a de Polignac number, because 31046379 - 2¹² = 31042283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31041379) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 56589 + ... + 57134.

It is an arithmetic number, because the mean of its divisors is an integer number (3184272).

Almost surely, 2^31046379 is an apocalyptic number.

31046379 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

31046379 is a deficient number, since it is larger than the sum of its proper divisors (19901973).

31046379 is a wasteful number, since it uses less digits than its factorization.

31046379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113746.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 31046379 is about 5571.9277633508. The cubic root of 31046379 is about 314.2946474930.

The spelling of 31046379 in words is "thirty-one million, forty-six thousand, three hundred seventy-nine".