31427464073 has 8 divisors (see below), whose sum is σ = 31555464192. Its totient is φ = 31299569136.

The previous prime is 31427464037. The next prime is 31427464087. The reversal of 31427464073 is 37046472413.

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

It is a cyclic number.

It is not a de Polignac number, because 31427464073 - 2²² = 31423269769 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31427464073.

It is not an unprimeable number, because it can be changed into a prime (31427467073) 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, 602936 + ... + 652982.

It is an arithmetic number, because the mean of its divisors is an integer number (3944433024).

Almost surely, 2^31427464073 is an apocalyptic number.

It is an amenable number.

31427464073 is a deficient number, since it is larger than the sum of its proper divisors (128000119).

31427464073 is a wasteful number, since it uses less digits than its factorization.

31427464073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52591.

The product of its (nonzero) digits is 338688, while the sum is 41.

The spelling of 31427464073 in words is "thirty-one billion, four hundred twenty-seven million, four hundred sixty-four thousand, seventy-three".