402111431113 has 12 divisors (see below), whose sum is σ = 470901629700. Its totient is φ = 342353733792.

The previous prime is 402111431101. The next prime is 402111431153. The reversal of 402111431113 is 311134111204.

It can be written as a sum of positive squares in 2 ways, for example, as 42827474704 + 359283956409 = 206948^2 + 599403^2 .

It is a de Polignac number, because none of the positive numbers 2^k-402111431113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402111431153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27530806 + ... + 27545407.

It is an arithmetic number, because the mean of its divisors is an integer number (39241802475).

Almost surely, 2^402111431113 is an apocalyptic number.

It is an amenable number.

402111431113 is a deficient number, since it is larger than the sum of its proper divisors (68790198587).

402111431113 is a wasteful number, since it uses less digits than its factorization.

402111431113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55076376 (or 55076369 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 402111431113 its reverse (311134111204), we get a palindrome (713245542317).

The spelling of 402111431113 in words is "four hundred two billion, one hundred eleven million, four hundred thirty-one thousand, one hundred thirteen".