31463520089 has 8 divisors (see below), whose sum is σ = 32315092992. Its totient is φ = 30615955360.

The previous prime is 31463520073. The next prime is 31463520097. The reversal of 31463520089 is 98002536413.

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 31463520089 - 2⁴ = 31463520073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31463520689) 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, 986129 + ... + 1017534.

It is an arithmetic number, because the mean of its divisors is an integer number (4039386624).

Almost surely, 2^31463520089 is an apocalyptic number.

It is an amenable number.

31463520089 is a deficient number, since it is larger than the sum of its proper divisors (851572903).

31463520089 is a wasteful number, since it uses less digits than its factorization.

31463520089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004087.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 31463520089 in words is "thirty-one billion, four hundred sixty-three million, five hundred twenty thousand, eighty-nine".