1731130057 has 2 divisors, whose sum is σ = 1731130058. Its totient is φ = 1731130056.

The previous prime is 1731130021. The next prime is 1731130069. The reversal of 1731130057 is 7500311371.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1090584576 + 640545481 = 33024^2 + 25309^2 .

It is a cyclic number.

It is not a de Polignac number, because 1731130057 - 2⁷ = 1731129929 is a prime.

It is a super-2 number, since 2×1731130057² = 5993622548497646498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1731130007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 865565028 + 865565029.

It is an arithmetic number, because the mean of its divisors is an integer number (865565029).

Almost surely, 2^1731130057 is an apocalyptic number.

It is an amenable number.

1731130057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1731130057 is an equidigital number, since it uses as much as digits as its factorization.

1731130057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2205, while the sum is 28.

The square root of 1731130057 is about 41606.8510824840. The cubic root of 1731130057 is about 1200.7241131937.

The spelling of 1731130057 in words is "one billion, seven hundred thirty-one million, one hundred thirty thousand, fifty-seven".