52431313642 has 16 divisors (see below), whose sum is σ = 79605836352. Its totient is φ = 25896124800.

The previous prime is 52431313631. The next prime is 52431313643. The reversal of 52431313642 is 24631313425.

It is a happy number.

52431313642 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 = 52431313598 and 52431313607.

It is not an unprimeable number, because it can be changed into a prime (52431313643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1432267 + ... + 1468417.

It is an arithmetic number, because the mean of its divisors is an integer number (4975364772).

Almost surely, 2^52431313642 is an apocalyptic number.

52431313642 is a deficient number, since it is larger than the sum of its proper divisors (27174522710).

52431313642 is a wasteful number, since it uses less digits than its factorization.

52431313642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44973.

The product of its digits is 51840, while the sum is 34.

The spelling of 52431313642 in words is "fifty-two billion, four hundred thirty-one million, three hundred thirteen thousand, six hundred forty-two".