1431330112189 has 2 divisors, whose sum is σ = 1431330112190. Its totient is φ = 1431330112188.

The previous prime is 1431330112187. The next prime is 1431330112217. The reversal of 1431330112189 is 9812110331341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 796615156089 + 634714956100 = 892533^2 + 796690^2 .

It is a cyclic number.

It is not a de Polignac number, because 1431330112189 - 2¹ = 1431330112187 is a prime.

Together with 1431330112187, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1431330112187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715665056094 + 715665056095.

It is an arithmetic number, because the mean of its divisors is an integer number (715665056095).

Almost surely, 2^{1431330112189} is an apocalyptic number.

It is an amenable number.

1431330112189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1431330112189 is an equidigital number, since it uses as much as digits as its factorization.

1431330112189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 37.

The spelling of 1431330112189 in words is "one trillion, four hundred thirty-one billion, three hundred thirty million, one hundred twelve thousand, one hundred eighty-nine".