1312032451 has 2 divisors, whose sum is σ = 1312032452. Its totient is φ = 1312032450.

The previous prime is 1312032389. The next prime is 1312032457. The reversal of 1312032451 is 1542302131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1312032451 - 2²³ = 1303643843 is a prime.

It is not a weakly prime, because it can be changed into another prime (1312032457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656016225 + 656016226.

It is an arithmetic number, because the mean of its divisors is an integer number (656016226).

Almost surely, 2^1312032451 is an apocalyptic number.

1312032451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312032451 is an equidigital number, since it uses as much as digits as its factorization.

1312032451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1312032451 is about 36221.9885014614. The cubic root of 1312032451 is about 1094.7497606555.

Adding to 1312032451 its reverse (1542302131), we get a palindrome (2854334582).

The spelling of 1312032451 in words is "one billion, three hundred twelve million, thirty-two thousand, four hundred fifty-one".