402200131 has 2 divisors, whose sum is σ = 402200132. Its totient is φ = 402200130.

The previous prime is 402200111. The next prime is 402200137. The reversal of 402200131 is 131002204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 402200131 - 2¹³ = 402191939 is a prime.

It is a super-2 number, since 2×402200131² = 323529890752834322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (402200137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201100065 + 201100066.

It is an arithmetic number, because the mean of its divisors is an integer number (201100066).

Almost surely, 2^402200131 is an apocalyptic number.

402200131 is a deficient number, since it is larger than the sum of its proper divisors (1).

402200131 is an equidigital number, since it uses as much as digits as its factorization.

402200131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 402200131 is about 20054.9278482871. The cubic root of 402200131 is about 738.1547224702.

Adding to 402200131 its reverse (131002204), we get a palindrome (533202335).

The spelling of 402200131 in words is "four hundred two million, two hundred thousand, one hundred thirty-one".