3121432432 has 40 divisors (see below), whose sum is σ = 6184800576. Its totient is φ = 1525445376.

The previous prime is 3121432417. The next prime is 3121432451. The reversal of 3121432432 is 2342341213.

It is a junction number, because it is equal to n+sod(n) for n = 3121432397 and 3121432406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 657138 + ... + 661870.

Almost surely, 2^3121432432 is an apocalyptic number.

It is an amenable number.

3121432432 is a deficient number, since it is larger than the sum of its proper divisors (3063368144).

3121432432 is a wasteful number, since it uses less digits than its factorization.

3121432432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5665 (or 5659 counting only the distinct ones).

The product of its digits is 3456, while the sum is 25.

The square root of 3121432432 is about 55869.7810269559. The cubic root of 3121432432 is about 1461.4523035441.

Adding to 3121432432 its reverse (2342341213), we get a palindrome (5463773645).

The spelling of 3121432432 in words is "three billion, one hundred twenty-one million, four hundred thirty-two thousand, four hundred thirty-two".