431310123122 has 4 divisors (see below), whose sum is σ = 646965184686. Its totient is φ = 215655061560.

The previous prime is 431310123043. The next prime is 431310123131. The reversal of 431310123122 is 221321013134.

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., 358323157201 + 72986965921 = 598601^2 + 270161^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107827530779 + ... + 107827530782.

Almost surely, 2^431310123122 is an apocalyptic number.

431310123122 is a deficient number, since it is larger than the sum of its proper divisors (215655061564).

431310123122 is a wasteful number, since it uses less digits than its factorization.

431310123122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215655061563.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 431310123122 its reverse (221321013134), we get a palindrome (652631136256).

The spelling of 431310123122 in words is "four hundred thirty-one billion, three hundred ten million, one hundred twenty-three thousand, one hundred twenty-two".