402202411231 has 4 divisors (see below), whose sum is σ = 402203711152. Its totient is φ = 402201111312.

The previous prime is 402202411229. The next prime is 402202411249. The reversal of 402202411231 is 132114202204.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 402202411231 - 2¹ = 402202411229 is a prime.

It is a super-2 number, since 2×402202411231² (a number of 24 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 (402202411631) 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, 111550 + ... + 903796.

It is an arithmetic number, because the mean of its divisors is an integer number (100550927788).

Almost surely, 2^402202411231 is an apocalyptic number.

402202411231 is a deficient number, since it is larger than the sum of its proper divisors (1299921).

402202411231 is an equidigital number, since it uses as much as digits as its factorization.

402202411231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299920.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 402202411231 its reverse (132114202204), we get a palindrome (534316613435).

The spelling of 402202411231 in words is "four hundred two billion, two hundred two million, four hundred eleven thousand, two hundred thirty-one".