101001321131 has 2 divisors, whose sum is σ = 101001321132. Its totient is φ = 101001321130.

The previous prime is 101001321049. The next prime is 101001321139. The reversal of 101001321131 is 131123100101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101001321131 - 2²² = 100997126827 is a prime.

It is a super-2 number, since 2×101001321131² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (101001321139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50500660565 + 50500660566.

It is an arithmetic number, because the mean of its divisors is an integer number (50500660566).

Almost surely, 2^101001321131 is an apocalyptic number.

101001321131 is a deficient number, since it is larger than the sum of its proper divisors (1).

101001321131 is an equidigital number, since it uses as much as digits as its factorization.

101001321131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 101001321131 its reverse (131123100101), we get a palindrome (232124421232).

The spelling of 101001321131 in words is "one hundred one billion, one million, three hundred twenty-one thousand, one hundred thirty-one".