231481340332 has 48 divisors (see below), whose sum is σ = 450596764800. Its totient is φ = 103162066560.

The previous prime is 231481340329. The next prime is 231481340339. The reversal of 231481340332 is 233043184132.

It is a super-2 number, since 2×231481340332² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231481340339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 866248 + ... + 1101520.

It is an arithmetic number, because the mean of its divisors is an integer number (9387432600).

Almost surely, 2^231481340332 is an apocalyptic number.

231481340332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231481340332 is a deficient number, since it is larger than the sum of its proper divisors (219115424468).

231481340332 is a wasteful number, since it uses less digits than its factorization.

231481340332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235726 (or 235724 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 231481340332 in words is "two hundred thirty-one billion, four hundred eighty-one million, three hundred forty thousand, three hundred thirty-two".