88216034931 has 20 divisors (see below), whose sum is σ = 136323633600. Its totient is φ = 56782733616.

The previous prime is 88216034909. The next prime is 88216034987. The reversal of 88216034931 is 13943061288.

88216034931 is a `hidden beast` number, since 8 + 8 + 2 + 1 + 603 + 4 + 9 + 31 = 666.

It is not a de Polignac number, because 88216034931 - 2²² = 88211840627 is a prime.

It is a super-2 number, since 2×88216034931² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (88216034531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18775011 + ... + 18779708.

It is an arithmetic number, because the mean of its divisors is an integer number (6816181680).

Almost surely, 2^88216034931 is an apocalyptic number.

88216034931 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

88216034931 is a deficient number, since it is larger than the sum of its proper divisors (48107598669).

88216034931 is a wasteful number, since it uses less digits than its factorization.

88216034931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37554760 (or 37554751 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 88216034931 in words is "eighty-eight billion, two hundred sixteen million, thirty-four thousand, nine hundred thirty-one".