31396239676 has 12 divisors (see below), whose sum is σ = 58175385408. Its totient is φ = 14774700992.

The previous prime is 31396239671. The next prime is 31396239691. The reversal of 31396239676 is 67693269313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31396239671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230854636 + ... + 230854771.

It is an arithmetic number, because the mean of its divisors is an integer number (4847948784).

Almost surely, 2^31396239676 is an apocalyptic number.

It is an amenable number.

31396239676 is a deficient number, since it is larger than the sum of its proper divisors (26779145732).

31396239676 is a wasteful number, since it uses less digits than its factorization.

31396239676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461709428 (or 461709426 counting only the distinct ones).

The product of its digits is 6613488, while the sum is 55.

The spelling of 31396239676 in words is "thirty-one billion, three hundred ninety-six million, two hundred thirty-nine thousand, six hundred seventy-six".