3213431455431 has 8 divisors (see below), whose sum is σ = 4284901224064. Its totient is φ = 2142124661880.

The previous prime is 3213431455411. The next prime is 3213431455471. The reversal of 3213431455431 is 1345541343123.

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

It is not a de Polignac number, because 3213431455431 - 2⁴¹ = 1014408199879 is a prime.

It is a super-2 number, since 2×3213431455431² (a number of 26 digits) contains 22 as substring.

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 3213431455431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213431455411) 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, 40697755 + ... + 40776636.

It is an arithmetic number, because the mean of its divisors is an integer number (535612653008).

Almost surely, 2^{3213431455431} is an apocalyptic number.

3213431455431 is a deficient number, since it is larger than the sum of its proper divisors (1071469768633).

3213431455431 is a wasteful number, since it uses less digits than its factorization.

3213431455431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81487541.

The product of its digits is 259200, while the sum is 39.

Adding to 3213431455431 its reverse (1345541343123), we get a palindrome (4558972798554).

The spelling of 3213431455431 in words is "three trillion, two hundred thirteen billion, four hundred thirty-one million, four hundred fifty-five thousand, four hundred thirty-one".