1312511023045 has 8 divisors (see below), whose sum is σ = 1578667553280. Its totient is φ = 1047572601360.

The previous prime is 1312511023027. The next prime is 1312511023069. The reversal of 1312511023045 is 5403201152131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1312511023045 is a prime.

It is a super-2 number, since 2×1312511023045² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304524765 + ... + 304529074.

It is an arithmetic number, because the mean of its divisors is an integer number (197333444160).

Almost surely, 2^{1312511023045} is an apocalyptic number.

It is an amenable number.

1312511023045 is a deficient number, since it is larger than the sum of its proper divisors (266156530235).

1312511023045 is an equidigital number, since it uses as much as digits as its factorization.

1312511023045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609054275.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 1312511023045 its reverse (5403201152131), we get a palindrome (6715712175176).

The spelling of 1312511023045 in words is "one trillion, three hundred twelve billion, five hundred eleven million, twenty-three thousand, forty-five".