31120031100269 has 2 divisors, whose sum is σ = 31120031100270. Its totient is φ = 31120031100268.

The previous prime is 31120031100229. The next prime is 31120031100341. The reversal of 31120031100269 is 96200113002113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17278878163369 + 13841152936900 = 4156787^2 + 3720370^2 .

It is a cyclic number.

It is not a de Polignac number, because 31120031100269 - 2²⁸ = 31119762664813 is a prime.

It is a super-2 number, since 2×31120031100269² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31120031100229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15560015550134 + 15560015550135.

It is an arithmetic number, because the mean of its divisors is an integer number (15560015550135).

Almost surely, 2^{31120031100269} is an apocalyptic number.

It is an amenable number.

31120031100269 is a deficient number, since it is larger than the sum of its proper divisors (1).

31120031100269 is an equidigital number, since it uses as much as digits as its factorization.

31120031100269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 29.

The spelling of 31120031100269 in words is "thirty-one trillion, one hundred twenty billion, thirty-one million, one hundred thousand, two hundred sixty-nine".