213431342042 has 32 divisors (see below), whose sum is σ = 339807312000. Its totient is φ = 100193187328.

The previous prime is 213431342023. The next prime is 213431342057. The reversal of 213431342042 is 240243134312.

It is a junction number, because it is equal to n+sod(n) for n = 213431341996 and 213431342014.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32969318 + ... + 32975790.

It is an arithmetic number, because the mean of its divisors is an integer number (10618978500).

Almost surely, 2^213431342042 is an apocalyptic number.

213431342042 is a deficient number, since it is larger than the sum of its proper divisors (126375969958).

213431342042 is a wasteful number, since it uses less digits than its factorization.

213431342042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8710.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 213431342042 its reverse (240243134312), we get a palindrome (453674476354).

The spelling of 213431342042 in words is "two hundred thirteen billion, four hundred thirty-one million, three hundred forty-two thousand, forty-two".