2345620312431 has 48 divisors (see below), whose sum is σ = 3777044787360. Its totient is φ = 1390625832960.

The previous prime is 2345620312417. The next prime is 2345620312487. The reversal of 2345620312431 is 1342130265432.

2345620312431 is a `hidden beast` number, since 2 + 3 + 4 + 5 + 6 + 203 + 12 + 431 = 666.

It is not a de Polignac number, because 2345620312431 - 2¹³ = 2345620304239 is a prime.

It is a super-2 number, since 2×2345620312431² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2345620312411) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1104975 + ... + 2431503.

It is an arithmetic number, because the mean of its divisors is an integer number (78688433070).

Almost surely, 2^{2345620312431} is an apocalyptic number.

2345620312431 is a deficient number, since it is larger than the sum of its proper divisors (1431424474929).

2345620312431 is a wasteful number, since it uses less digits than its factorization.

2345620312431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326936 (or 1326933 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 2345620312431 its reverse (1342130265432), we get a palindrome (3687750577863).

The spelling of 2345620312431 in words is "two trillion, three hundred forty-five billion, six hundred twenty million, three hundred twelve thousand, four hundred thirty-one".