1331032123013 has 8 divisors (see below), whose sum is σ = 1343999112768. Its totient is φ = 1318065986304.

The previous prime is 1331032122989. The next prime is 1331032123039. The reversal of 1331032123013 is 3103212301331.

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 1331032123013 - 2²⁰ = 1331031074437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1331032123013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331032123613) 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, 3185006 + ... + 3578592.

It is an arithmetic number, because the mean of its divisors is an integer number (167999889096).

Almost surely, 2^{1331032123013} is an apocalyptic number.

It is an amenable number.

1331032123013 is a deficient number, since it is larger than the sum of its proper divisors (12966989755).

1331032123013 is a wasteful number, since it uses less digits than its factorization.

1331032123013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426523.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1331032123013 its reverse (3103212301331), we get a palindrome (4434244424344).

The spelling of 1331032123013 in words is "one trillion, three hundred thirty-one billion, thirty-two million, one hundred twenty-three thousand, thirteen".