3121432488 has 48 divisors (see below), whose sum is σ = 8821444320. Its totient is φ = 995238816.

The previous prime is 3121432481. The next prime is 3121432513. The reversal of 3121432488 is 8842341213.

It is a happy number.

3121432488 is a `hidden beast` number, since 31 + 2 + 143 + 2 + 488 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (3121432481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 940806 + ... + 944117.

It is an arithmetic number, because the mean of its divisors is an integer number (183780090).

Almost surely, 2^3121432488 is an apocalyptic number.

It is an amenable number.

3121432488 is an abundant number, since it is smaller than the sum of its proper divisors (5700011832).

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

3121432488 is a wasteful number, since it uses less digits than its factorization.

3121432488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1884958 (or 1884951 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 3121432488 is about 55869.7815281213. The cubic root of 3121432488 is about 1461.4523122838.

The spelling of 3121432488 in words is "three billion, one hundred twenty-one million, four hundred thirty-two thousand, four hundred eighty-eight".