3131420432 has 20 divisors (see below), whose sum is σ = 6933859776. Its totient is φ = 1342037280.

The previous prime is 3131420429. The next prime is 3131420441. The reversal of 3131420432 is 2340241313.

3131420432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3131420398 and 3131420407.

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, 13979444 + ... + 13979667.

Almost surely, 2^3131420432 is an apocalyptic number.

It is an amenable number.

3131420432 is an abundant number, since it is smaller than the sum of its proper divisors (3802439344).

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

3131420432 is a wasteful number, since it uses less digits than its factorization.

3131420432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27959126 (or 27959120 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 3131420432 is about 55959.0960613196. The cubic root of 3131420432 is about 1463.0094352281.

Adding to 3131420432 its reverse (2340241313), we get a palindrome (5471661745).

The spelling of 3131420432 in words is "three billion, one hundred thirty-one million, four hundred twenty thousand, four hundred thirty-two".