31396677 has 16 divisors (see below), whose sum is σ = 45268608. Its totient is φ = 19241280.

The previous prime is 31396663. The next prime is 31396691. The reversal of 31396677 is 77669313.

It is an interprime number because it is at equal distance from previous prime (31396663) and next prime (31396691).

It is not a de Polignac number, because 31396677 - 2⁶ = 31396613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31396657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8727 + ... + 11787.

It is an arithmetic number, because the mean of its divisors is an integer number (2829288).

Almost surely, 2^31396677 is an apocalyptic number.

It is an amenable number.

31396677 is a deficient number, since it is larger than the sum of its proper divisors (13871931).

31396677 is a wasteful number, since it uses less digits than its factorization.

31396677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3340.

The product of its digits is 142884, while the sum is 42.

The square root of 31396677 is about 5603.2737752139. The cubic root of 31396677 is about 315.4722972990.

The spelling of 31396677 in words is "thirty-one million, three hundred ninety-six thousand, six hundred seventy-seven".