1012104432313 has 4 divisors (see below), whose sum is σ = 1089958619428. Its totient is φ = 934250245200.

The previous prime is 1012104432277. The next prime is 1012104432329. The reversal of 1012104432313 is 3132344012101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 615170411584 + 396934020729 = 784328^2 + 630027^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012104432313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012104432343) 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, 38927093538 + ... + 38927093563.

It is an arithmetic number, because the mean of its divisors is an integer number (272489654857).

Almost surely, 2^{1012104432313} is an apocalyptic number.

1012104432313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1012104432313 is a deficient number, since it is larger than the sum of its proper divisors (77854187115).

1012104432313 is an equidigital number, since it uses as much as digits as its factorization.

1012104432313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77854187114.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1012104432313 its reverse (3132344012101), we get a palindrome (4144448444414).

The spelling of 1012104432313 in words is "one trillion, twelve billion, one hundred four million, four hundred thirty-two thousand, three hundred thirteen".