402413442123431 has 4 divisors (see below), whose sum is σ = 402483904997664. Its totient is φ = 402342979249200.

The previous prime is 402413442123401. The next prime is 402413442123509. The reversal of 402413442123431 is 134321244314204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 402413442123431 - 2²² = 402413437929127 is a prime.

It is a super-2 number, since 2×402413442123431² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402413442123401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35231428550 + ... + 35231439971.

It is an arithmetic number, because the mean of its divisors is an integer number (100620976249416).

Almost surely, 2^{402413442123431} is an apocalyptic number.

402413442123431 is a deficient number, since it is larger than the sum of its proper divisors (70462874233).

402413442123431 is an equidigital number, since it uses as much as digits as its factorization.

402413442123431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70462874232.

The product of its (nonzero) digits is 221184, while the sum is 38.

Adding to 402413442123431 its reverse (134321244314204), we get a palindrome (536734686437635).

The spelling of 402413442123431 in words is "four hundred two trillion, four hundred thirteen billion, four hundred forty-two million, one hundred twenty-three thousand, four hundred thirty-one".