31049226 has 24 divisors (see below), whose sum is σ = 72448740. Its totient is φ = 9553536.

The previous prime is 31049219. The next prime is 31049231. The reversal of 31049226 is 62294013.

It can be written as a sum of positive squares in 2 ways, for example, as 24000201 + 7049025 = 4899^2 + 2655^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 31049226.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66111 + ... + 66578.

Almost surely, 2^31049226 is an apocalyptic number.

31049226 is an abundant number, since it is smaller than the sum of its proper divisors (41399514).

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

31049226 is a wasteful number, since it uses less digits than its factorization.

31049226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132710 (or 132707 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 31049226 is about 5572.1832346038. The cubic root of 31049226 is about 314.3042542979.

The spelling of 31049226 in words is "thirty-one million, forty-nine thousand, two hundred twenty-six".