31134100 has 18 divisors (see below), whose sum is σ = 67561214. Its totient is φ = 12453600.

The previous prime is 31134097. The next prime is 31134101. The reversal of 31134100 is 143113.

It can be written as a sum of positive squares in 3 ways, for example, as 5550736 + 25583364 = 2356^2 + 5058^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31134101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 155571 + ... + 155770.

Almost surely, 2^31134100 is an apocalyptic number.

It is an amenable number.

31134100 is an abundant number, since it is smaller than the sum of its proper divisors (36427114).

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

31134100 is a wasteful number, since it uses less digits than its factorization.

31134100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311355 (or 311348 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 31134100 is about 5579.7939030039. The cubic root of 31134100 is about 314.5903804785.

Adding to 31134100 its reverse (143113), we get a palindrome (31277213).

The spelling of 31134100 in words is "thirty-one million, one hundred thirty-four thousand, one hundred".