1431413173 has 2 divisors, whose sum is σ = 1431413174. Its totient is φ = 1431413172.

The previous prime is 1431413167. The next prime is 1431413177. The reversal of 1431413173 is 3713141341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1431335889 + 77284 = 37833^2 + 278^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1431413173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1431413177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715706586 + 715706587.

It is an arithmetic number, because the mean of its divisors is an integer number (715706587).

Almost surely, 2^1431413173 is an apocalyptic number.

It is an amenable number.

1431413173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1431413173 is an equidigital number, since it uses as much as digits as its factorization.

1431413173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 28.

The square root of 1431413173 is about 37834.0213696615. The cubic root of 1431413173 is about 1126.9941711656.

The spelling of 1431413173 in words is "one billion, four hundred thirty-one million, four hundred thirteen thousand, one hundred seventy-three".