231314040422 has 4 divisors (see below), whose sum is σ = 346971060636. Its totient is φ = 115657020210.

The previous prime is 231314040371. The next prime is 231314040443. The reversal of 231314040422 is 224040413132.

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

It is a junction number, because it is equal to n+sod(n) for n = 231314040391 and 231314040400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57828510104 + ... + 57828510107.

It is an arithmetic number, because the mean of its divisors is an integer number (86742765159).

Almost surely, 2^231314040422 is an apocalyptic number.

231314040422 is a deficient number, since it is larger than the sum of its proper divisors (115657020214).

231314040422 is a wasteful number, since it uses less digits than its factorization.

231314040422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115657020213.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 231314040422 its reverse (224040413132), we get a palindrome (455354453554).

The spelling of 231314040422 in words is "two hundred thirty-one billion, three hundred fourteen million, forty thousand, four hundred twenty-two".