3121233152 has 36 divisors (see below), whose sum is σ = 6362857536. Its totient is φ = 1527406080.

The previous prime is 3121233119. The next prime is 3121233169. The reversal of 3121233152 is 2513321213.

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, 117674 + ... + 141737.

Almost surely, 2^3121233152 is an apocalyptic number.

3121233152 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3121233152 is an abundant number, since it is smaller than the sum of its proper divisors (3241624384).

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

3121233152 is an equidigital number, since it uses as much as digits as its factorization.

3121233152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259474 (or 259460 counting only the distinct ones).

The product of its digits is 1080, while the sum is 23.

The square root of 3121233152 is about 55867.9975656905. The cubic root of 3121233152 is about 1461.4212019672.

Adding to 3121233152 its reverse (2513321213), we get a palindrome (5634554365).

The spelling of 3121233152 in words is "three billion, one hundred twenty-one million, two hundred thirty-three thousand, one hundred fifty-two".