1312011320330 has 16 divisors (see below), whose sum is σ = 2500539222600. Its totient is φ = 493933673472.

The previous prime is 1312011320303. The next prime is 1312011320357. The reversal of 1312011320330 is 330231102131.

It is an interprime number because it is at equal distance from previous prime (1312011320303) and next prime (1312011320357).

It can be written as a sum of positive squares in 4 ways, for example, as 797200765321 + 514810555009 = 892861^2 + 717503^2 .

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, 3858856655 + ... + 3858856994.

Almost surely, 2^{1312011320330} is an apocalyptic number.

1312011320330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312011320330 is a deficient number, since it is larger than the sum of its proper divisors (1188527902270).

1312011320330 is a wasteful number, since it uses less digits than its factorization.

1312011320330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7717713673.

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

Adding to 1312011320330 its reverse (330231102131), we get a palindrome (1642242422461).

The spelling of 1312011320330 in words is "one trillion, three hundred twelve billion, eleven million, three hundred twenty thousand, three hundred thirty".