1310421211331 has 8 divisors (see below), whose sum is σ = 1320350342640. Its totient is φ = 1300499246592.

The previous prime is 1310421211327. The next prime is 1310421211357. The reversal of 1310421211331 is 1331121240131.

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

It is a cyclic number.

It is not a de Polignac number, because 1310421211331 - 2² = 1310421211327 is a prime.

It is a super-2 number, since 2×1310421211331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1310421211297 and 1310421211306.

It is not an unprimeable number, because it can be changed into a prime (1310421211391) 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, 1424270 + ... + 2156243.

It is an arithmetic number, because the mean of its divisors is an integer number (165043792830).

Almost surely, 2^{1310421211331} is an apocalyptic number.

1310421211331 is a deficient number, since it is larger than the sum of its proper divisors (9929131309).

1310421211331 is a wasteful number, since it uses less digits than its factorization.

1310421211331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3583285.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 1310421211331 its reverse (1331121240131), we get a palindrome (2641542451462).

The spelling of 1310421211331 in words is "one trillion, three hundred ten billion, four hundred twenty-one million, two hundred eleven thousand, three hundred thirty-one".