1302131213321 has 4 divisors (see below), whose sum is σ = 1302246672000. Its totient is φ = 1302015754644.

The previous prime is 1302131213303. The next prime is 1302131213323. The reversal of 1302131213321 is 1233121312031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1302131213321 - 2³⁴ = 1284951344137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1302131213323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57712421 + ... + 57734978.

It is an arithmetic number, because the mean of its divisors is an integer number (325561668000).

Almost surely, 2^{1302131213321} is an apocalyptic number.

It is an amenable number.

1302131213321 is a deficient number, since it is larger than the sum of its proper divisors (115458679).

1302131213321 is a wasteful number, since it uses less digits than its factorization.

1302131213321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115458678.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1302131213321 its reverse (1233121312031), we get a palindrome (2535252525352).

The spelling of 1302131213321 in words is "one trillion, three hundred two billion, one hundred thirty-one million, two hundred thirteen thousand, three hundred twenty-one".