31241331029 has 2 divisors, whose sum is σ = 31241331030. Its totient is φ = 31241331028.

The previous prime is 31241331019. The next prime is 31241331061. The reversal of 31241331029 is 92013314213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21636939025 + 9604392004 = 147095^2 + 98002^2 .

It is a cyclic number.

It is not a de Polignac number, because 31241331029 - 2²⁰ = 31240282453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31241330992 and 31241331010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31241331019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15620665514 + 15620665515.

It is an arithmetic number, because the mean of its divisors is an integer number (15620665515).

Almost surely, 2^31241331029 is an apocalyptic number.

It is an amenable number.

31241331029 is a deficient number, since it is larger than the sum of its proper divisors (1).

31241331029 is an equidigital number, since it uses as much as digits as its factorization.

31241331029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 31241331029 in words is "thirty-one billion, two hundred forty-one million, three hundred thirty-one thousand, twenty-nine".