200402312431 has 2 divisors, whose sum is σ = 200402312432. Its totient is φ = 200402312430.

The previous prime is 200402312401. The next prime is 200402312479. The reversal of 200402312431 is 134213204002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200402312431 - 2¹⁷ = 200402181359 is a prime.

It is a super-2 number, since 2×200402312431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200402312401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100201156215 + 100201156216.

It is an arithmetic number, because the mean of its divisors is an integer number (100201156216).

Almost surely, 2^200402312431 is an apocalyptic number.

200402312431 is a deficient number, since it is larger than the sum of its proper divisors (1).

200402312431 is an equidigital number, since it uses as much as digits as its factorization.

200402312431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 200402312431 its reverse (134213204002), we get a palindrome (334615516433).

The spelling of 200402312431 in words is "two hundred billion, four hundred two million, three hundred twelve thousand, four hundred thirty-one".