31042133069 has 2 divisors, whose sum is σ = 31042133070. Its totient is φ = 31042133068.

The previous prime is 31042133039. The next prime is 31042133113. The reversal of 31042133069 is 96033124013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22624070569 + 8418062500 = 150413^2 + 91750^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31042133069 is a prime.

It is a super-2 number, since 2×31042133069² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31042133009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15521066534 + 15521066535.

It is an arithmetic number, because the mean of its divisors is an integer number (15521066535).

Almost surely, 2^31042133069 is an apocalyptic number.

It is an amenable number.

31042133069 is a deficient number, since it is larger than the sum of its proper divisors (1).

31042133069 is an equidigital number, since it uses as much as digits as its factorization.

31042133069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 32.

The spelling of 31042133069 in words is "thirty-one billion, forty-two million, one hundred thirty-three thousand, sixty-nine".