402113220311 has 4 divisors (see below), whose sum is σ = 438668967624. Its totient is φ = 365557473000.

The previous prime is 402113220259. The next prime is 402113220337. The reversal of 402113220311 is 113022311204.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402113220311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402113220391) 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, 18277873640 + ... + 18277873661.

It is an arithmetic number, because the mean of its divisors is an integer number (109667241906).

Almost surely, 2^402113220311 is an apocalyptic number.

402113220311 is a deficient number, since it is larger than the sum of its proper divisors (36555747313).

402113220311 is a wasteful number, since it uses less digits than its factorization.

402113220311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36555747312.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 402113220311 its reverse (113022311204), we get a palindrome (515135531515).

The spelling of 402113220311 in words is "four hundred two billion, one hundred thirteen million, two hundred twenty thousand, three hundred eleven".