101002133231 has 32 divisors (see below), whose sum is σ = 113714979840. Its totient is φ = 89257918464.

The previous prime is 101002133189. The next prime is 101002133251. The reversal of 101002133231 is 132331200101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101002133231 is a prime.

It is a super-2 number, since 2×101002133231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101002133251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3854831 + ... + 3880943.

It is an arithmetic number, because the mean of its divisors is an integer number (3553593120).

Almost surely, 2^101002133231 is an apocalyptic number.

101002133231 is a deficient number, since it is larger than the sum of its proper divisors (12712846609).

101002133231 is a wasteful number, since it uses less digits than its factorization.

101002133231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26375.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 101002133231 its reverse (132331200101), we get a palindrome (233333333332).

The spelling of 101002133231 in words is "one hundred one billion, two million, one hundred thirty-three thousand, two hundred thirty-one".