88231511188331 has 4 divisors (see below), whose sum is σ = 100836012786672. Its totient is φ = 75627009589992.

The previous prime is 88231511188321. The next prime is 88231511188343. The reversal of 88231511188331 is 13388111513288.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 88231511188331 - 2³⁰ = 88230437446507 is a prime.

It is a super-2 number, since 2×88231511188331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88231511188321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6302250799160 + ... + 6302250799173.

It is an arithmetic number, because the mean of its divisors is an integer number (25209003196668).

Almost surely, 2^{88231511188331} is an apocalyptic number.

88231511188331 is a deficient number, since it is larger than the sum of its proper divisors (12604501598341).

88231511188331 is a wasteful number, since it uses less digits than its factorization.

88231511188331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12604501598340.

The product of its digits is 1105920, while the sum is 53.

The spelling of 88231511188331 in words is "eighty-eight trillion, two hundred thirty-one billion, five hundred eleven million, one hundred eighty-eight thousand, three hundred thirty-one".