31416697 has 8 divisors (see below), whose sum is σ = 35823816. Its totient is φ = 27293952.

The previous prime is 31416691. The next prime is 31416761. The reversal of 31416697 is 79661413.

It can be written as a sum of positive squares in 4 ways, for example, as 11881 + 31404816 = 109^2 + 5604^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31416697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31416691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70858 + ... + 71299.

It is an arithmetic number, because the mean of its divisors is an integer number (4477977).

Almost surely, 2^31416697 is an apocalyptic number.

It is an amenable number.

31416697 is a deficient number, since it is larger than the sum of its proper divisors (4407119).

31416697 is a wasteful number, since it uses less digits than its factorization.

31416697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142187.

The product of its digits is 27216, while the sum is 37.

The square root of 31416697 is about 5605.0599461558. The cubic root of 31416697 is about 315.5393363836.

The spelling of 31416697 in words is "thirty-one million, four hundred sixteen thousand, six hundred ninety-seven".