31272294 has 16 divisors (see below), whose sum is σ = 62749440. Its totient is φ = 10389960.

The previous prime is 31272287. The next prime is 31272313. The reversal of 31272294 is 49227213.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6514 + ... + 10245.

It is an arithmetic number, because the mean of its divisors is an integer number (3921840).

Almost surely, 2^31272294 is an apocalyptic number.

31272294 is an abundant number, since it is smaller than the sum of its proper divisors (31477146).

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

31272294 is a wasteful number, since it uses less digits than its factorization.

31272294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17075.

The product of its digits is 6048, while the sum is 30.

The square root of 31272294 is about 5592.1636242156. The cubic root of 31272294 is about 315.0551478150.

The spelling of 31272294 in words is "thirty-one million, two hundred seventy-two thousand, two hundred ninety-four".