1310212001321 has 8 divisors (see below), whose sum is σ = 1343773606464. Its totient is φ = 1276977826800.

The previous prime is 1310212001317. The next prime is 1310212001323. The reversal of 1310212001321 is 1231002120131.

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

It is not a de Polignac number, because 1310212001321 - 2² = 1310212001317 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1310212001321.

It is not an unprimeable number, because it can be changed into a prime (1310212001323) 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, 81849551 + ... + 81865556.

It is an arithmetic number, because the mean of its divisors is an integer number (167971700808).

Almost surely, 2^{1310212001321} is an apocalyptic number.

It is an amenable number.

1310212001321 is a deficient number, since it is larger than the sum of its proper divisors (33561605143).

1310212001321 is a wasteful number, since it uses less digits than its factorization.

1310212001321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163715311.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1310212001321 its reverse (1231002120131), we get a palindrome (2541214121452).

The spelling of 1310212001321 in words is "one trillion, three hundred ten billion, two hundred twelve million, one thousand, three hundred twenty-one".