231415253442 has 48 divisors (see below), whose sum is σ = 504866561472. Its totient is φ = 76605590880.

The previous prime is 231415253441. The next prime is 231415253471. The reversal of 231415253442 is 244352514132.

It is a happy number.

231415253442 is a `hidden beast` number, since 2 + 3 + 14 + 152 + 53 + 442 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 231415253397 and 231415253406.

It is not an unprimeable number, because it can be changed into a prime (231415253441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5435803 + ... + 5478209.

It is an arithmetic number, because the mean of its divisors is an integer number (10518053364).

Almost surely, 2^231415253442 is an apocalyptic number.

231415253442 is an abundant number, since it is smaller than the sum of its proper divisors (273451308030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231415253442 is a wasteful number, since it uses less digits than its factorization.

231415253442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44503 (or 44500 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

Adding to 231415253442 its reverse (244352514132), we get a palindrome (475767767574).

The spelling of 231415253442 in words is "two hundred thirty-one billion, four hundred fifteen million, two hundred fifty-three thousand, four hundred forty-two".