231373426435 has 48 divisors (see below), whose sum is σ = 305569738656. Its totient is φ = 167594305536.

The previous prime is 231373426433. The next prime is 231373426457. The reversal of 231373426435 is 534624373132.

It is not a de Polignac number, because 231373426435 - 2¹ = 231373426433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231373426391 and 231373426400.

It is not an unprimeable number, because it can be changed into a prime (231373426433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20224537 + ... + 20235973.

It is an arithmetic number, because the mean of its divisors is an integer number (6366036222).

Almost surely, 2^231373426435 is an apocalyptic number.

231373426435 is a deficient number, since it is larger than the sum of its proper divisors (74196312221).

231373426435 is a wasteful number, since it uses less digits than its factorization.

231373426435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11800 (or 11771 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 43.

Adding to 231373426435 its reverse (534624373132), we get a palindrome (765997799567).

The spelling of 231373426435 in words is "two hundred thirty-one billion, three hundred seventy-three million, four hundred twenty-six thousand, four hundred thirty-five".