101321131031 has 2 divisors, whose sum is σ = 101321131032. Its totient is φ = 101321131030.

The previous prime is 101321131019. The next prime is 101321131063. The reversal of 101321131031 is 130131123101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101321131031 - 2¹⁴ = 101321114647 is a prime.

It is a super-2 number, since 2×101321131031² (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 (101321131081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50660565515 + 50660565516.

It is an arithmetic number, because the mean of its divisors is an integer number (50660565516).

Almost surely, 2^101321131031 is an apocalyptic number.

101321131031 is a deficient number, since it is larger than the sum of its proper divisors (1).

101321131031 is an equidigital number, since it uses as much as digits as its factorization.

101321131031 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 17.

Adding to 101321131031 its reverse (130131123101), we get a palindrome (231452254132).

The spelling of 101321131031 in words is "one hundred one billion, three hundred twenty-one million, one hundred thirty-one thousand, thirty-one".