1312013021330 has 32 divisors (see below), whose sum is σ = 2576591978688. Its totient is φ = 477044625600.

The previous prime is 1312013021329. The next prime is 1312013021339. The reversal of 1312013021330 is 331203102131.

It is not an unprimeable number, because it can be changed into a prime (1312013021339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 403289 + ... + 1669331.

It is an arithmetic number, because the mean of its divisors is an integer number (80518499334).

Almost surely, 2^{1312013021330} is an apocalyptic number.

1312013021330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312013021330 is a deficient number, since it is larger than the sum of its proper divisors (1264578957358).

1312013021330 is a wasteful number, since it uses less digits than its factorization.

1312013021330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275482.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1312013021330 its reverse (331203102131), we get a palindrome (1643216123461).

The spelling of 1312013021330 in words is "one trillion, three hundred twelve billion, thirteen million, twenty-one thousand, three hundred thirty".