31349794 has 16 divisors (see below), whose sum is σ = 54277056. Its totient is φ = 13302000.

The previous prime is 31349771. The next prime is 31349797. The reversal of 31349794 is 49794313.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (31349797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9672 + ... + 12499.

It is an arithmetic number, because the mean of its divisors is an integer number (3392316).

Almost surely, 2^31349794 is an apocalyptic number.

31349794 is a deficient number, since it is larger than the sum of its proper divisors (22927262).

31349794 is a wasteful number, since it uses less digits than its factorization.

31349794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22281.

The product of its digits is 81648, while the sum is 40.

The square root of 31349794 is about 5599.0886758472. The cubic root of 31349794 is about 315.3151930330.

The spelling of 31349794 in words is "thirty-one million, three hundred forty-nine thousand, seven hundred ninety-four".