3121363252 has 12 divisors (see below), whose sum is σ = 6242726560. Its totient is φ = 1337727096.

The previous prime is 3121363207. The next prime is 3121363279. The reversal of 3121363252 is 2523631213.

3121363252 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 111477259 = 3121363252 / (3 + 1 + 2 + 1 + 3 + 6 + 3 + 2 + 5 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 3121363252.

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, 55738602 + ... + 55738657.

Almost surely, 2^3121363252 is an apocalyptic number.

It is an amenable number.

3121363252 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.

3121363252 is a wasteful number, since it uses less digits than its factorization.

3121363252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111477270 (or 111477268 counting only the distinct ones).

The product of its digits is 6480, while the sum is 28.

The square root of 3121363252 is about 55869.1619052944. The cubic root of 3121363252 is about 1461.4415067898.

Adding to 3121363252 its reverse (2523631213), we get a palindrome (5644994465).

The spelling of 3121363252 in words is "three billion, one hundred twenty-one million, three hundred sixty-three thousand, two hundred fifty-two".