1032312313 has 4 divisors (see below), whose sum is σ = 1086644560. Its totient is φ = 977980068.

The previous prime is 1032312299. The next prime is 1032312331. The reversal of 1032312313 is 3132132301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1032312313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 54332227 = 1032312313 / (1 + 0 + 3 + 2 + 3 + 1 + 2 + 3 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1032312383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27166095 + ... + 27166132.

It is an arithmetic number, because the mean of its divisors is an integer number (271661140).

Almost surely, 2^1032312313 is an apocalyptic number.

It is an amenable number.

1032312313 is a deficient number, since it is larger than the sum of its proper divisors (54332247).

1032312313 is an equidigital number, since it uses as much as digits as its factorization.

1032312313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54332246.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1032312313 is about 32129.6173802303. The cubic root of 1032312313 is about 1010.6568001881.

Adding to 1032312313 its reverse (3132132301), we get a palindrome (4164444614).

The spelling of 1032312313 in words is "one billion, thirty-two million, three hundred twelve thousand, three hundred thirteen".