31412253529 has 2 divisors, whose sum is σ = 31412253530. Its totient is φ = 31412253528.

The previous prime is 31412253503. The next prime is 31412253547. The reversal of 31412253529 is 92535221413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26438760000 + 4973493529 = 162600^2 + 70523^2 .

It is an emirp because it is prime and its reverse (92535221413) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31412253529 is a prime.

It is not a weakly prime, because it can be changed into another prime (31412253559) 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, 15706126764 + 15706126765.

It is an arithmetic number, because the mean of its divisors is an integer number (15706126765).

Almost surely, 2^31412253529 is an apocalyptic number.

It is an amenable number.

31412253529 is a deficient number, since it is larger than the sum of its proper divisors (1).

31412253529 is an equidigital number, since it uses as much as digits as its factorization.

31412253529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 37.

The spelling of 31412253529 in words is "thirty-one billion, four hundred twelve million, two hundred fifty-three thousand, five hundred twenty-nine".