31494252 has 48 divisors (see below), whose sum is σ = 76416480. Its totient is φ = 10086912.

The previous prime is 31494247. The next prime is 31494257. The reversal of 31494252 is 25249413.

It is an interprime number because it is at equal distance from previous prime (31494247) and next prime (31494257).

It is not an unprimeable number, because it can be changed into a prime (31494257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39118 + ... + 39914.

It is an arithmetic number, because the mean of its divisors is an integer number (1592010).

Almost surely, 2^31494252 is an apocalyptic number.

It is an amenable number.

31494252 is an abundant number, since it is smaller than the sum of its proper divisors (44922228).

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

31494252 is a wasteful number, since it uses less digits than its factorization.

31494252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930 (or 928 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 31494252 is about 5611.9739842590. The cubic root of 31494252 is about 315.7987689603.

The spelling of 31494252 in words is "thirty-one million, four hundred ninety-four thousand, two hundred fifty-two".