213446711431 has 2 divisors, whose sum is σ = 213446711432. Its totient is φ = 213446711430.

The previous prime is 213446711399. The next prime is 213446711483. The reversal of 213446711431 is 134117644312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213446711431 - 2⁵ = 213446711399 is a prime.

It is a super-2 number, since 2×213446711431² (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 (213446771431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106723355715 + 106723355716.

It is an arithmetic number, because the mean of its divisors is an integer number (106723355716).

Almost surely, 2^213446711431 is an apocalyptic number.

213446711431 is a deficient number, since it is larger than the sum of its proper divisors (1).

213446711431 is an equidigital number, since it uses as much as digits as its factorization.

213446711431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 37.

The spelling of 213446711431 in words is "two hundred thirteen billion, four hundred forty-six million, seven hundred eleven thousand, four hundred thirty-one".