100230331031 has 2 divisors, whose sum is σ = 100230331032. Its totient is φ = 100230331030.

The previous prime is 100230331027. The next prime is 100230331037. The reversal of 100230331031 is 130133032001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100230331031 - 2² = 100230331027 is a prime.

It is a super-2 number, since 2×100230331031² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100230331037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50115165515 + 50115165516.

It is an arithmetic number, because the mean of its divisors is an integer number (50115165516).

Almost surely, 2^100230331031 is an apocalyptic number.

100230331031 is a deficient number, since it is larger than the sum of its proper divisors (1).

100230331031 is an equidigital number, since it uses as much as digits as its factorization.

100230331031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 100230331031 its reverse (130133032001), we get a palindrome (230363363032).

The spelling of 100230331031 in words is "one hundred billion, two hundred thirty million, three hundred thirty-one thousand, thirty-one".