402113416431 has 16 divisors (see below), whose sum is σ = 542850989184. Its totient is φ = 264728586144.

The previous prime is 402113416427. The next prime is 402113416451. The reversal of 402113416431 is 134614311204.

It is not a de Polignac number, because 402113416431 - 2² = 402113416427 is a prime.

It is a super-2 number, since 2×402113416431² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402113416451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208305 + ... + 920661.

It is an arithmetic number, because the mean of its divisors is an integer number (33928186824).

Almost surely, 2^402113416431 is an apocalyptic number.

402113416431 is a deficient number, since it is larger than the sum of its proper divisors (140737572753).

402113416431 is a wasteful number, since it uses less digits than its factorization.

402113416431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714710.

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 402113416431 its reverse (134614311204), we get a palindrome (536727727635).

The spelling of 402113416431 in words is "four hundred two billion, one hundred thirteen million, four hundred sixteen thousand, four hundred thirty-one".