31030101100133 has 2 divisors, whose sum is σ = 31030101100134. Its totient is φ = 31030101100132.

The previous prime is 31030101100123. The next prime is 31030101100151. The reversal of 31030101100133 is 33100110103013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30511559970529 + 518541129604 = 5523727^2 + 720098^2 .

It is a cyclic number.

It is not a de Polignac number, because 31030101100133 - 2³⁰ = 31029027358309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31030101100123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15515050550066 + 15515050550067.

It is an arithmetic number, because the mean of its divisors is an integer number (15515050550067).

Almost surely, 2^{31030101100133} is an apocalyptic number.

It is an amenable number.

31030101100133 is a deficient number, since it is larger than the sum of its proper divisors (1).

31030101100133 is an equidigital number, since it uses as much as digits as its factorization.

31030101100133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 31030101100133 its reverse (33100110103013), we get a palindrome (64130211203146).

The spelling of 31030101100133 in words is "thirty-one trillion, thirty billion, one hundred one million, one hundred thousand, one hundred thirty-three".