1234515430431 has 48 divisors (see below), whose sum is σ = 1854275604480. Its totient is φ = 790613570880.

The previous prime is 1234515430387. The next prime is 1234515430451. The reversal of 1234515430431 is 1340345154321.

1234515430431 is a `hidden beast` number, since 1 + 2 + 3 + 45 + 154 + 30 + 431 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-1234515430431 is a prime.

It is a super-2 number, since 2×1234515430431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234515430451) 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, 21108676 + ... + 21167078.

It is an arithmetic number, because the mean of its divisors is an integer number (38630741760).

Almost surely, 2^{1234515430431} is an apocalyptic number.

1234515430431 is a deficient number, since it is larger than the sum of its proper divisors (619760174049).

1234515430431 is a wasteful number, since it uses less digits than its factorization.

1234515430431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58996 (or 58993 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 1234515430431 in words is "one trillion, two hundred thirty-four billion, five hundred fifteen million, four hundred thirty thousand, four hundred thirty-one".