1021232313133 has 16 divisors (see below), whose sum is σ = 1060149482496. Its totient is φ = 982700161920.

The previous prime is 1021232313107. The next prime is 1021232313149. The reversal of 1021232313133 is 3313132321201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1021232313133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1021232313098 and 1021232313107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021232313533) 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, 5198016 + ... + 5390902.

It is an arithmetic number, because the mean of its divisors is an integer number (66259342656).

Almost surely, 2^{1021232313133} is an apocalyptic number.

It is an amenable number.

1021232313133 is a deficient number, since it is larger than the sum of its proper divisors (38917169363).

1021232313133 is a wasteful number, since it uses less digits than its factorization.

1021232313133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193884.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1021232313133 its reverse (3313132321201), we get a palindrome (4334364634334).

The spelling of 1021232313133 in words is "one trillion, twenty-one billion, two hundred thirty-two million, three hundred thirteen thousand, one hundred thirty-three".