31432953241 has 2 divisors, whose sum is σ = 31432953242. Its totient is φ = 31432953240.

The previous prime is 31432953239. The next prime is 31432953271. The reversal of 31432953241 is 14235923413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31180143241 + 252810000 = 176579^2 + 15900^2 .

It is a cyclic number.

It is not a de Polignac number, because 31432953241 - 2¹ = 31432953239 is a prime.

Together with 31432953239, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 31432953241.

It is not a weakly prime, because it can be changed into another prime (31432953271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15716476620 + 15716476621.

It is an arithmetic number, because the mean of its divisors is an integer number (15716476621).

Almost surely, 2^31432953241 is an apocalyptic number.

It is an amenable number.

31432953241 is a deficient number, since it is larger than the sum of its proper divisors (1).

31432953241 is an equidigital number, since it uses as much as digits as its factorization.

31432953241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 37.

The spelling of 31432953241 in words is "thirty-one billion, four hundred thirty-two million, nine hundred fifty-three thousand, two hundred forty-one".