31325034 has 64 divisors (see below), whose sum is σ = 74188800. Its totient is φ = 8724672.

The previous prime is 31324991. The next prime is 31325071. The reversal of 31325034 is 43052313.

31325034 = 1275² + 1276² + ... + 1293².

It is a self number, because there is not a number n which added to its sum of digits gives 31325034.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33627 + ... + 34545.

It is an arithmetic number, because the mean of its divisors is an integer number (1159200).

Almost surely, 2^31325034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31325034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37094400).

31325034 is an abundant number, since it is smaller than the sum of its proper divisors (42863766).

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

31325034 is a wasteful number, since it uses less digits than its factorization.

31325034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 31325034 is about 5596.8771649912. The cubic root of 31325034 is about 315.2321594151.

Adding to 31325034 its reverse (43052313), we get a palindrome (74377347).

The spelling of 31325034 in words is "thirty-one million, three hundred twenty-five thousand, thirty-four".