1402113123431 has 24 divisors (see below), whose sum is σ = 1501079040000. Its totient is φ = 1309221239760.

The previous prime is 1402113123421. The next prime is 1402113123479. The reversal of 1402113123431 is 1343213112041.

It is not a de Polignac number, because 1402113123431 - 2¹⁸ = 1402112861287 is a prime.

It is a super-2 number, since 2×1402113123431² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1402113123431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402113123421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122997470 + ... + 123008868.

It is an arithmetic number, because the mean of its divisors is an integer number (62544960000).

Almost surely, 2^{1402113123431} is an apocalyptic number.

1402113123431 is a deficient number, since it is larger than the sum of its proper divisors (98965916569).

1402113123431 is a wasteful number, since it uses less digits than its factorization.

1402113123431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16307 (or 16288 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 1402113123431 its reverse (1343213112041), we get a palindrome (2745326235472).

The spelling of 1402113123431 in words is "one trillion, four hundred two billion, one hundred thirteen million, one hundred twenty-three thousand, four hundred thirty-one".