31032201430 has 16 divisors (see below), whose sum is σ = 55871565120. Its totient is φ = 12409857792.

The previous prime is 31032201379. The next prime is 31032201449. The reversal of 31032201430 is 3410223013.

It is a junction number, because it is equal to n+sod(n) for n = 31032201398 and 31032201407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334494 + ... + 417073.

It is an arithmetic number, because the mean of its divisors is an integer number (3491972820).

Almost surely, 2^31032201430 is an apocalyptic number.

31032201430 is a deficient number, since it is larger than the sum of its proper divisors (24839363690).

31032201430 is a wasteful number, since it uses less digits than its factorization.

31032201430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755703.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 31032201430 its reverse (3410223013), we get a palindrome (34442424443).

The spelling of 31032201430 in words is "thirty-one billion, thirty-two million, two hundred one thousand, four hundred thirty".