101131202031 has 4 divisors (see below), whose sum is σ = 134841602712. Its totient is φ = 67420801352.

The previous prime is 101131202027. The next prime is 101131202033. The reversal of 101131202031 is 130202131101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101131202031 - 2² = 101131202027 is a prime.

It is a super-2 number, since 2×101131202031² (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 101131202031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101131202033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16855200336 + ... + 16855200341.

It is an arithmetic number, because the mean of its divisors is an integer number (33710400678).

Almost surely, 2^101131202031 is an apocalyptic number.

101131202031 is a deficient number, since it is larger than the sum of its proper divisors (33710400681).

101131202031 is an equidigital number, since it uses as much as digits as its factorization.

101131202031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33710400680.

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

Adding to 101131202031 its reverse (130202131101), we get a palindrome (231333333132).

The spelling of 101131202031 in words is "one hundred one billion, one hundred thirty-one million, two hundred two thousand, thirty-one".