201311100131 has 2 divisors, whose sum is σ = 201311100132. Its totient is φ = 201311100130.

The previous prime is 201311100101. The next prime is 201311100139. The reversal of 201311100131 is 131001113102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201311100131 - 2²² = 201306905827 is a prime.

It is a super-2 number, since 2×201311100131² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (201311100139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100655550065 + 100655550066.

It is an arithmetic number, because the mean of its divisors is an integer number (100655550066).

Almost surely, 2^201311100131 is an apocalyptic number.

201311100131 is a deficient number, since it is larger than the sum of its proper divisors (1).

201311100131 is an equidigital number, since it uses as much as digits as its factorization.

201311100131 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 201311100131 its reverse (131001113102), we get a palindrome (332312213233).

The spelling of 201311100131 in words is "two hundred one billion, three hundred eleven million, one hundred thousand, one hundred thirty-one".