31946349 has 12 divisors (see below), whose sum is σ = 45249344. Its totient is φ = 20044224.

The previous prime is 31946303. The next prime is 31946351. The reversal of 31946349 is 94364913.

It is not a de Polignac number, because 31946349 - 2⁷ = 31946221 is a prime.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31946359) 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 11 ways as a sum of consecutive naturals, for example, 17557 + ... + 19290.

Almost surely, 2^31946349 is an apocalyptic number.

It is an amenable number.

31946349 is a deficient number, since it is larger than the sum of its proper divisors (13302995).

31946349 is a wasteful number, since it uses less digits than its factorization.

31946349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36884 (or 36867 counting only the distinct ones).

The product of its digits is 69984, while the sum is 39.

The square root of 31946349 is about 5652.1101369312. The cubic root of 31946349 is about 317.3026826972.

The spelling of 31946349 in words is "thirty-one million, nine hundred forty-six thousand, three hundred forty-nine".