431140021970 has 32 divisors (see below), whose sum is σ = 887022880128. Its totient is φ = 147801725568.

The previous prime is 431140021969. The next prime is 431140022011. The reversal of 431140021970 is 79120041134.

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 15 ways as a sum of consecutive naturals, for example, 226262 + ... + 955758.

It is an arithmetic number, because the mean of its divisors is an integer number (27719465004).

Almost surely, 2^431140021970 is an apocalyptic number.

431140021970 is an abundant number, since it is smaller than the sum of its proper divisors (455882858158).

431140021970 is a wasteful number, since it uses less digits than its factorization.

431140021970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737954.

The product of its (nonzero) digits is 6048, while the sum is 32.

The spelling of 431140021970 in words is "four hundred thirty-one billion, one hundred forty million, twenty-one thousand, nine hundred seventy".