31434452 has 12 divisors (see below), whose sum is σ = 62868960. Its totient is φ = 13471896.

The previous prime is 31434443. The next prime is 31434503. The reversal of 31434452 is 25443413.

31434452 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561302 + ... + 561357.

It is an arithmetic number, because the mean of its divisors is an integer number (5239080).

Almost surely, 2^31434452 is an apocalyptic number.

It is an amenable number.

31434452 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31434452 is a wasteful number, since it uses less digits than its factorization.

31434452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122670 (or 1122668 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 31434452 is about 5606.6435592072. The cubic root of 31434452 is about 315.5987670515.

Adding to 31434452 its reverse (25443413), we get a palindrome (56877865).

The spelling of 31434452 in words is "thirty-one million, four hundred thirty-four thousand, four hundred fifty-two".