3213431112542 has 48 divisors (see below), whose sum is σ = 5727450587040. Its totient is φ = 1324520472576.

The previous prime is 3213431112509. The next prime is 3213431112613. The reversal of 3213431112542 is 2452111343123.

It is a happy number.

It is a super-2 number, since 2×3213431112542² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3213431112499 and 3213431112508.

It is a congruent number.

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, 2494934 + ... + 3556902.

It is an arithmetic number, because the mean of its divisors is an integer number (119321887230).

Almost surely, 2^{3213431112542} is an apocalyptic number.

3213431112542 is a deficient number, since it is larger than the sum of its proper divisors (2514019474498).

3213431112542 is a wasteful number, since it uses less digits than its factorization.

3213431112542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062293 (or 1062264 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

Adding to 3213431112542 its reverse (2452111343123), we get a palindrome (5665542455665).

The spelling of 3213431112542 in words is "three trillion, two hundred thirteen billion, four hundred thirty-one million, one hundred twelve thousand, five hundred forty-two".