231513983282 has 16 divisors (see below), whose sum is σ = 351759850200. Its totient is φ = 114268596480.

The previous prime is 231513983269. The next prime is 231513983333. The reversal of 231513983282 is 282389315132.

It is a Cunningham number, because it is equal to 481159²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 208117527601 + 23396455681 = 456199^2 + 152959^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1915319 + ... + 2032602.

Almost surely, 2^231513983282 is an apocalyptic number.

231513983282 is a deficient number, since it is larger than the sum of its proper divisors (120245866918).

231513983282 is a wasteful number, since it uses less digits than its factorization.

231513983282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3948301.

The product of its digits is 622080, while the sum is 47.

The spelling of 231513983282 in words is "two hundred thirty-one billion, five hundred thirteen million, nine hundred eighty-three thousand, two hundred eighty-two".