88721102031 has 16 divisors (see below), whose sum is σ = 118703074560. Its totient is φ = 58943548800.

The previous prime is 88721102011. The next prime is 88721102039. The reversal of 88721102031 is 13020112788.

It is a de Polignac number, because none of the positive numbers 2^k-88721102031 is a prime.

It is a super-2 number, since 2×88721102031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 88721101983 and 88721102001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88721102039) 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, 1244100 + ... + 1313478.

It is an arithmetic number, because the mean of its divisors is an integer number (7418942160).

Almost surely, 2^88721102031 is an apocalyptic number.

88721102031 is a deficient number, since it is larger than the sum of its proper divisors (29981972529).

88721102031 is a wasteful number, since it uses less digits than its factorization.

88721102031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70846.

The product of its (nonzero) digits is 5376, while the sum is 33.

The spelling of 88721102031 in words is "eighty-eight billion, seven hundred twenty-one million, one hundred two thousand, thirty-one".