3206661431 has 8 divisors (see below), whose sum is σ = 3396257280. Its totient is φ = 3017173248.

The previous prime is 3206661401. The next prime is 3206661439. The reversal of 3206661431 is 1341666023.

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 3206661431 - 2²² = 3202467127 is a prime.

It is a super-2 number, since 2×3206661431² = 20565355066125935522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3206661439) 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, 39050 + ... + 89096.

It is an arithmetic number, because the mean of its divisors is an integer number (424532160).

Almost surely, 2^3206661431 is an apocalyptic number.

3206661431 is a deficient number, since it is larger than the sum of its proper divisors (189595849).

3206661431 is a wasteful number, since it uses less digits than its factorization.

3206661431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53833.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 3206661431 is about 56627.3911724706. The cubic root of 3206661431 is about 1474.6344291384.

The spelling of 3206661431 in words is "three billion, two hundred six million, six hundred sixty-one thousand, four hundred thirty-one".