1331321133031 has 8 divisors (see below), whose sum is σ = 1374292168704. Its totient is φ = 1288351671960.

The previous prime is 1331321133013. The next prime is 1331321133073. The reversal of 1331321133031 is 1303311231331.

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 1331321133031 - 2³⁷ = 1193882179559 is a prime.

It is a super-2 number, since 2×1331321133031² (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 = 1331321132987 and 1331321133005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331321136031) 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, 1463826 + ... + 2192128.

It is an arithmetic number, because the mean of its divisors is an integer number (171786521088).

Almost surely, 2^{1331321133031} is an apocalyptic number.

1331321133031 is a deficient number, since it is larger than the sum of its proper divisors (42971035673).

1331321133031 is an equidigital number, since it uses as much as digits as its factorization.

1331321133031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787301.

The product of its (nonzero) digits is 1458, while the sum is 25.

Adding to 1331321133031 its reverse (1303311231331), we get a palindrome (2634632364362).

The spelling of 1331321133031 in words is "one trillion, three hundred thirty-one billion, three hundred twenty-one million, one hundred thirty-three thousand, thirty-one".