1323131121033 has 16 divisors (see below), whose sum is σ = 1769133480576. Its totient is φ = 879608701440.

The previous prime is 1323131121031. The next prime is 1323131121133. The reversal of 1323131121033 is 3301211313231.

It is not a de Polignac number, because 1323131121033 - 2¹ = 1323131121031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1323131120994 and 1323131121012.

It is not an unprimeable number, because it can be changed into a prime (1323131121031) 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, 9059716 + ... + 9204602.

It is an arithmetic number, because the mean of its divisors is an integer number (110570842536).

Almost surely, 2^{1323131121033} is an apocalyptic number.

It is an amenable number.

1323131121033 is a deficient number, since it is larger than the sum of its proper divisors (446002359543).

1323131121033 is a wasteful number, since it uses less digits than its factorization.

1323131121033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153424.

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

Adding to 1323131121033 its reverse (3301211313231), we get a palindrome (4624342434264).

The spelling of 1323131121033 in words is "one trillion, three hundred twenty-three billion, one hundred thirty-one million, one hundred twenty-one thousand, thirty-three".