1730506331 has 2 divisors, whose sum is σ = 1730506332. Its totient is φ = 1730506330.

The previous prime is 1730506303. The next prime is 1730506333. The reversal of 1730506331 is 1336050371.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1730506331 - 2¹⁰ = 1730505307 is a prime.

It is a super-2 number, since 2×1730506331² = 5989304323262163122, which contains 22 as substring.

Together with 1730506333, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1730506294 and 1730506303.

It is not a weakly prime, because it can be changed into another prime (1730506333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 865253165 + 865253166.

It is an arithmetic number, because the mean of its divisors is an integer number (865253166).

Almost surely, 2^1730506331 is an apocalyptic number.

1730506331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1730506331 is an equidigital number, since it uses as much as digits as its factorization.

1730506331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5670, while the sum is 29.

The square root of 1730506331 is about 41599.3549349025. The cubic root of 1730506331 is about 1200.5798889418.

The spelling of 1730506331 in words is "one billion, seven hundred thirty million, five hundred six thousand, three hundred thirty-one".