31421064763 has 8 divisors (see below), whose sum is σ = 34711418880. Its totient is φ = 28203026280.

The previous prime is 31421064761. The next prime is 31421064781. The reversal of 31421064763 is 36746012413.

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

It is not a de Polignac number, because 31421064763 - 2¹ = 31421064761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31421064761) 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, 18077995 + ... + 18079732.

It is an arithmetic number, because the mean of its divisors is an integer number (4338927360).

Almost surely, 2^31421064763 is an apocalyptic number.

31421064763 is a deficient number, since it is larger than the sum of its proper divisors (3290354117).

31421064763 is a wasteful number, since it uses less digits than its factorization.

31421064763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36157817.

The product of its (nonzero) digits is 72576, while the sum is 37.

The spelling of 31421064763 in words is "thirty-one billion, four hundred twenty-one million, sixty-four thousand, seven hundred sixty-three".