31412533349 has 2 divisors, whose sum is σ = 31412533350. Its totient is φ = 31412533348.

The previous prime is 31412533303. The next prime is 31412533363. The reversal of 31412533349 is 94333521413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28026108100 + 3386425249 = 167410^2 + 58193^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31412533349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31412533379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15706266674 + 15706266675.

It is an arithmetic number, because the mean of its divisors is an integer number (15706266675).

Almost surely, 2^31412533349 is an apocalyptic number.

It is an amenable number.

31412533349 is a deficient number, since it is larger than the sum of its proper divisors (1).

31412533349 is an equidigital number, since it uses as much as digits as its factorization.

31412533349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 38.

The spelling of 31412533349 in words is "thirty-one billion, four hundred twelve million, five hundred thirty-three thousand, three hundred forty-nine".