100311231131 has 2 divisors, whose sum is σ = 100311231132. Its totient is φ = 100311231130.

The previous prime is 100311231127. The next prime is 100311231151. The reversal of 100311231131 is 131132113001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100311231131 - 2² = 100311231127 is a prime.

It is a super-2 number, since 2×100311231131² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (100311231121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50155615565 + 50155615566.

It is an arithmetic number, because the mean of its divisors is an integer number (50155615566).

Almost surely, 2^100311231131 is an apocalyptic number.

100311231131 is a deficient number, since it is larger than the sum of its proper divisors (1).

100311231131 is an equidigital number, since it uses as much as digits as its factorization.

100311231131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 100311231131 its reverse (131132113001), we get a palindrome (231443344132).

The spelling of 100311231131 in words is "one hundred billion, three hundred eleven million, two hundred thirty-one thousand, one hundred thirty-one".