70443131432 has 16 divisors (see below), whose sum is σ = 133752782400. Its totient is φ = 34775722800.

The previous prime is 70443131393. The next prime is 70443131467. The reversal of 70443131432 is 23413134407.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55729694 + ... + 55730957.

It is an arithmetic number, because the mean of its divisors is an integer number (8359548900).

Almost surely, 2^70443131432 is an apocalyptic number.

It is an amenable number.

70443131432 is a deficient number, since it is larger than the sum of its proper divisors (63309650968).

70443131432 is a wasteful number, since it uses less digits than its factorization.

70443131432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111460736 (or 111460732 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 32.

Adding to 70443131432 its reverse (23413134407), we get a palindrome (93856265839).

The spelling of 70443131432 in words is "seventy billion, four hundred forty-three million, one hundred thirty-one thousand, four hundred thirty-two".