1312530431051 has 8 divisors (see below), whose sum is σ = 1500417569280. Its totient is φ = 1124738990568.

The previous prime is 1312530430993. The next prime is 1312530431117. The reversal of 1312530431051 is 1501340352131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1312530431051 is a prime.

It is a super-2 number, since 2×1312530431051² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1312530431651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23895041 + ... + 23949906.

It is an arithmetic number, because the mean of its divisors is an integer number (187552196160).

Almost surely, 2^{1312530431051} is an apocalyptic number.

1312530431051 is a deficient number, since it is larger than the sum of its proper divisors (187887138229).

1312530431051 is an equidigital number, since it uses as much as digits as its factorization.

1312530431051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47848873.

The product of its (nonzero) digits is 5400, while the sum is 29.

Adding to 1312530431051 its reverse (1501340352131), we get a palindrome (2813870783182).

The spelling of 1312530431051 in words is "one trillion, three hundred twelve billion, five hundred thirty million, four hundred thirty-one thousand, fifty-one".