31426823416 has 16 divisors (see below), whose sum is σ = 59924028600. Its totient is φ = 15447082464.

The previous prime is 31426823371. The next prime is 31426823423. The reversal of 31426823416 is 61432862413.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33290655 + ... + 33291598.

Almost surely, 2^31426823416 is an apocalyptic number.

It is an amenable number.

31426823416 is a deficient number, since it is larger than the sum of its proper divisors (28497205184).

31426823416 is a wasteful number, since it uses less digits than its factorization.

31426823416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66582318 (or 66582314 counting only the distinct ones).

The product of its digits is 165888, while the sum is 40.

The spelling of 31426823416 in words is "thirty-one billion, four hundred twenty-six million, eight hundred twenty-three thousand, four hundred sixteen".