31049404 has 6 divisors (see below), whose sum is σ = 54336464. Its totient is φ = 15524700.

The previous prime is 31049377. The next prime is 31049407. The reversal of 31049404 is 40494013.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31049407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3881172 + ... + 3881179.

Almost surely, 2^31049404 is an apocalyptic number.

It is an amenable number.

31049404 is a deficient number, since it is larger than the sum of its proper divisors (23287060).

31049404 is a wasteful number, since it uses less digits than its factorization.

31049404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7762355 (or 7762353 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 31049404 is about 5572.1992067764. The cubic root of 31049404 is about 314.3048549146.

The spelling of 31049404 in words is "thirty-one million, forty-nine thousand, four hundred four".