101011233231 has 12 divisors (see below), whose sum is σ = 145907918208. Its totient is φ = 67339528224.

The previous prime is 101011233229. The next prime is 101011233287. The reversal of 101011233231 is 132332110101.

It is not a de Polignac number, because 101011233231 - 2¹ = 101011233229 is a prime.

It is a super-2 number, since 2×101011233231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101011235231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 725731 + ... + 853643.

It is an arithmetic number, because the mean of its divisors is an integer number (12158993184).

Almost surely, 2^101011233231 is an apocalyptic number.

101011233231 is a deficient number, since it is larger than the sum of its proper divisors (44896684977).

101011233231 is a wasteful number, since it uses less digits than its factorization.

101011233231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215662 (or 215659 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 101011233231 its reverse (132332110101), we get a palindrome (233343343332).

The spelling of 101011233231 in words is "one hundred one billion, eleven million, two hundred thirty-three thousand, two hundred thirty-one".