1230255331 has 2 divisors, whose sum is σ = 1230255332. Its totient is φ = 1230255330.

The previous prime is 1230255319. The next prime is 1230255391. The reversal of 1230255331 is 1335520321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1230255331 - 2⁹ = 1230254819 is a prime.

It is a super-2 number, since 2×1230255331² = 3027056358907839122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1230255296 and 1230255305.

It is not a weakly prime, because it can be changed into another prime (1230255311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615127665 + 615127666.

It is an arithmetic number, because the mean of its divisors is an integer number (615127666).

Almost surely, 2^1230255331 is an apocalyptic number.

1230255331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230255331 is an equidigital number, since it uses as much as digits as its factorization.

1230255331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 1230255331 is about 35074.9958089805. The cubic root of 1230255331 is about 1071.5154033610.

Adding to 1230255331 its reverse (1335520321), we get a palindrome (2565775652).

The spelling of 1230255331 in words is "one billion, two hundred thirty million, two hundred fifty-five thousand, three hundred thirty-one".