1931232473 has 2 divisors, whose sum is σ = 1931232474. Its totient is φ = 1931232472.

The previous prime is 1931232437. The next prime is 1931232503. The reversal of 1931232473 is 3742321391.

Together with previous prime (1931232437) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1928263744 + 2968729 = 43912^2 + 1723^2 .

It is a cyclic number.

It is not a de Polignac number, because 1931232473 - 2⁸ = 1931232217 is a prime.

It is not a weakly prime, because it can be changed into another prime (1931232673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 965616236 + 965616237.

It is an arithmetic number, because the mean of its divisors is an integer number (965616237).

Almost surely, 2^1931232473 is an apocalyptic number.

It is an amenable number.

1931232473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1931232473 is an equidigital number, since it uses as much as digits as its factorization.

1931232473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 35.

The square root of 1931232473 is about 43945.7901624263. The cubic root of 1931232473 is about 1245.3120346036.

The spelling of 1931232473 in words is "one billion, nine hundred thirty-one million, two hundred thirty-two thousand, four hundred seventy-three".