31416570641 has 2 divisors, whose sum is σ = 31416570642. Its totient is φ = 31416570640.

The previous prime is 31416570593. The next prime is 31416570677. The reversal of 31416570641 is 14607561413.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31356972241 + 59598400 = 177079^2 + 7720^2 .

It is a cyclic number.

It is not a de Polignac number, because 31416570641 - 2²² = 31412376337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31416570595 and 31416570604.

It is not a weakly prime, because it can be changed into another prime (31416570541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15708285320 + 15708285321.

It is an arithmetic number, because the mean of its divisors is an integer number (15708285321).

Almost surely, 2^31416570641 is an apocalyptic number.

It is an amenable number.

31416570641 is a deficient number, since it is larger than the sum of its proper divisors (1).

31416570641 is an equidigital number, since it uses as much as digits as its factorization.

31416570641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 31416570641 in words is "thirty-one billion, four hundred sixteen million, five hundred seventy thousand, six hundred forty-one".