31101233031149 has 2 divisors, whose sum is σ = 31101233031150. Its totient is φ = 31101233031148.

The previous prime is 31101233030969. The next prime is 31101233031163. The reversal of 31101233031149 is 94113033210113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16014363222025 + 15086869809124 = 4001795^2 + 3884182^2 .

It is a cyclic number.

It is not a de Polignac number, because 31101233031149 - 2⁸ = 31101233030893 is a prime.

It is a super-2 number, since 2×31101233031149² (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 (31101233001149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15550616515574 + 15550616515575.

It is an arithmetic number, because the mean of its divisors is an integer number (15550616515575).

Almost surely, 2^{31101233031149} is an apocalyptic number.

It is an amenable number.

31101233031149 is a deficient number, since it is larger than the sum of its proper divisors (1).

31101233031149 is an equidigital number, since it uses as much as digits as its factorization.

31101233031149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 32.

The spelling of 31101233031149 in words is "thirty-one trillion, one hundred one billion, two hundred thirty-three million, thirty-one thousand, one hundred forty-nine".