101130031231 has 2 divisors, whose sum is σ = 101130031232. Its totient is φ = 101130031230.

The previous prime is 101130031193. The next prime is 101130031259. The reversal of 101130031231 is 132130031101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101130031231 - 2³³ = 92540096639 is a prime.

It is a super-2 number, since 2×101130031231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101130031291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50565015615 + 50565015616.

It is an arithmetic number, because the mean of its divisors is an integer number (50565015616).

Almost surely, 2^101130031231 is an apocalyptic number.

101130031231 is a deficient number, since it is larger than the sum of its proper divisors (1).

101130031231 is an equidigital number, since it uses as much as digits as its factorization.

101130031231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 101130031231 its reverse (132130031101), we get a palindrome (233260062332).

The spelling of 101130031231 in words is "one hundred one billion, one hundred thirty million, thirty-one thousand, two hundred thirty-one".