3231447820986 has 48 divisors (see below), whose sum is σ = 8201522492640. Its totient is φ = 839337095520.

The previous prime is 3231447820943. The next prime is 3231447821029. The reversal of 3231447820986 is 6890287441323.

It is an interprime number because it is at equal distance from previous prime (3231447820943) and next prime (3231447821029).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 499602181 + ... + 499608648.

It is an arithmetic number, because the mean of its divisors is an integer number (170865051930).

Almost surely, 2^{3231447820986} is an apocalyptic number.

3231447820986 is an abundant number, since it is smaller than the sum of its proper divisors (4970074671654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3231447820986 is a wasteful number, since it uses less digits than its factorization.

3231447820986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999210859 (or 999210852 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 57.

The spelling of 3231447820986 in words is "three trillion, two hundred thirty-one billion, four hundred forty-seven million, eight hundred twenty thousand, nine hundred eighty-six".