231401302042 has 4 divisors (see below), whose sum is σ = 347101953066. Its totient is φ = 115700651020.

The previous prime is 231401302039. The next prime is 231401302057. The reversal of 231401302042 is 240203104132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 198560251201 + 32841050841 = 445601^2 + 181221^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57850325509 + ... + 57850325512.

Almost surely, 2^231401302042 is an apocalyptic number.

231401302042 is a deficient number, since it is larger than the sum of its proper divisors (115700651024).

231401302042 is a wasteful number, since it uses less digits than its factorization.

231401302042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115700651023.

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

Adding to 231401302042 its reverse (240203104132), we get a palindrome (471604406174).

The spelling of 231401302042 in words is "two hundred thirty-one billion, four hundred one million, three hundred two thousand, forty-two".