31406083417 has 2 divisors, whose sum is σ = 31406083418. Its totient is φ = 31406083416.

The previous prime is 31406083411. The next prime is 31406083439. The reversal of 31406083417 is 71438060413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24665016601 + 6741066816 = 157051^2 + 82104^2 .

It is a cyclic number.

It is not a de Polignac number, because 31406083417 - 2³ = 31406083409 is a prime.

It is not a weakly prime, because it can be changed into another prime (31406083411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15703041708 + 15703041709.

It is an arithmetic number, because the mean of its divisors is an integer number (15703041709).

Almost surely, 2^31406083417 is an apocalyptic number.

It is an amenable number.

31406083417 is a deficient number, since it is larger than the sum of its proper divisors (1).

31406083417 is an equidigital number, since it uses as much as digits as its factorization.

31406083417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 31406083417 in words is "thirty-one billion, four hundred six million, eighty-three thousand, four hundred seventeen".