1430431444191 has 16 divisors (see below), whose sum is σ = 1949617681920. Its totient is φ = 932600578560.

The previous prime is 1430431444153. The next prime is 1430431444217. The reversal of 1430431444191 is 1914441340341.

It is not a de Polignac number, because 1430431444191 - 2¹⁰ = 1430431443167 is a prime.

It is a super-2 number, since 2×1430431444191² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1430431444121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20902455 + ... + 20970776.

It is an arithmetic number, because the mean of its divisors is an integer number (121851105120).

Almost surely, 2^{1430431444191} is an apocalyptic number.

1430431444191 is a deficient number, since it is larger than the sum of its proper divisors (519186237729).

1430431444191 is a wasteful number, since it uses less digits than its factorization.

1430431444191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41873486.

The product of its (nonzero) digits is 82944, while the sum is 39.

The spelling of 1430431444191 in words is "one trillion, four hundred thirty billion, four hundred thirty-one million, four hundred forty-four thousand, one hundred ninety-one".