1230133131321 has 16 divisors (see below), whose sum is σ = 1663891107840. Its totient is φ = 808240461840.

The previous prime is 1230133131307. The next prime is 1230133131329. The reversal of 1230133131321 is 1231313310321.

It is a de Polignac number, because none of the positive numbers 2^k-1230133131321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1230133131291 and 1230133131300.

It is not an unprimeable number, because it can be changed into a prime (1230133131329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 482875 + ... + 1641168.

It is an arithmetic number, because the mean of its divisors is an integer number (103993194240).

Almost surely, 2^{1230133131321} is an apocalyptic number.

It is an amenable number.

1230133131321 is a deficient number, since it is larger than the sum of its proper divisors (433757976519).

1230133131321 is a wasteful number, since it uses less digits than its factorization.

1230133131321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2126836.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 1230133131321 its reverse (1231313310321), we get a palindrome (2461446441642).

The spelling of 1230133131321 in words is "one trillion, two hundred thirty billion, one hundred thirty-three million, one hundred thirty-one thousand, three hundred twenty-one".