1330870531 has 2 divisors, whose sum is σ = 1330870532. Its totient is φ = 1330870530.

The previous prime is 1330870507. The next prime is 1330870543. The reversal of 1330870531 is 1350780331.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1350780331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1330870531 - 2⁷ = 1330870403 is a prime.

It is a super-2 number, since 2×1330870531² = 3542432740568443922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1330870493 and 1330870502.

It is not a weakly prime, because it can be changed into another prime (1330870571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665435265 + 665435266.

It is an arithmetic number, because the mean of its divisors is an integer number (665435266).

Almost surely, 2^1330870531 is an apocalyptic number.

1330870531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330870531 is an equidigital number, since it uses as much as digits as its factorization.

1330870531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 1330870531 is about 36481.0982702001. The cubic root of 1330870531 is about 1099.9643324523.

The spelling of 1330870531 in words is "one billion, three hundred thirty million, eight hundred seventy thousand, five hundred thirty-one".