231274934542 has 32 divisors (see below), whose sum is σ = 359960013504. Its totient is φ = 111368006400.

The previous prime is 231274934531. The next prime is 231274934557. The reversal of 231274934542 is 245439472132.

It is a junction number, because it is equal to n+sod(n) for n = 231274934492 and 231274934501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2634192 + ... + 2720572.

It is an arithmetic number, because the mean of its divisors is an integer number (11248750422).

Almost surely, 2^231274934542 is an apocalyptic number.

231274934542 is a deficient number, since it is larger than the sum of its proper divisors (128685078962).

231274934542 is a wasteful number, since it uses less digits than its factorization.

231274934542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86844.

The product of its digits is 1451520, while the sum is 46.

The spelling of 231274934542 in words is "two hundred thirty-one billion, two hundred seventy-four million, nine hundred thirty-four thousand, five hundred forty-two".