231551353554152 has 64 divisors (see below), whose sum is σ = 439065344024640. Its totient is φ = 114470536320000.

The previous prime is 231551353554151. The next prime is 231551353554331. The reversal of 231551353554152 is 251455353155132.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 231551353554152.

It is not an unprimeable number, because it can be changed into a prime (231551353554151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1993033088 + ... + 1993149264.

It is an arithmetic number, because the mean of its divisors is an integer number (6860396000385).

Almost surely, 2^{231551353554152} is an apocalyptic number.

It is an amenable number.

231551353554152 is a deficient number, since it is larger than the sum of its proper divisors (207513990470488).

231551353554152 is a wasteful number, since it uses less digits than its factorization.

231551353554152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119682 (or 119678 counting only the distinct ones).

The product of its digits is 6750000, while the sum is 50.

The spelling of 231551353554152 in words is "two hundred thirty-one trillion, five hundred fifty-one billion, three hundred fifty-three million, five hundred fifty-four thousand, one hundred fifty-two".