101210013231 has 16 divisors (see below), whose sum is σ = 138836700288. Its totient is φ = 65534724000.

The previous prime is 101210013209. The next prime is 101210013259. The reversal of 101210013231 is 132310012101.

It is a happy number.

It is not a de Polignac number, because 101210013231 - 2¹¹ = 101210011183 is a prime.

It is a super-2 number, since 2×101210013231² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101210013231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101210003231) 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, 735045 + ... + 861806.

It is an arithmetic number, because the mean of its divisors is an integer number (8677293768).

Almost surely, 2^101210013231 is an apocalyptic number.

101210013231 is a deficient number, since it is larger than the sum of its proper divisors (37626687057).

101210013231 is a wasteful number, since it uses less digits than its factorization.

101210013231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597462.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 101210013231 its reverse (132310012101), we get a palindrome (233520025332).

The spelling of 101210013231 in words is "one hundred one billion, two hundred ten million, thirteen thousand, two hundred thirty-one".