1330131212131 has 4 divisors (see below), whose sum is σ = 1330133767264. Its totient is φ = 1330128657000.

The previous prime is 1330131212107. The next prime is 1330131212141. The reversal of 1330131212131 is 1312121310331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1330131212131 is a prime.

It is a super-2 number, since 2×1330131212131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1330131212101) 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, 185595 + ... + 1641556.

It is an arithmetic number, because the mean of its divisors is an integer number (332533441816).

Almost surely, 2^{1330131212131} is an apocalyptic number.

1330131212131 is a deficient number, since it is larger than the sum of its proper divisors (2555133).

1330131212131 is an equidigital number, since it uses as much as digits as its factorization.

1330131212131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555132.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 1330131212131 its reverse (1312121310331), we get a palindrome (2642252522462).

The spelling of 1330131212131 in words is "one trillion, three hundred thirty billion, one hundred thirty-one million, two hundred twelve thousand, one hundred thirty-one".