1021231313133 has 8 divisors (see below), whose sum is σ = 1362876244608. Its totient is φ = 680203628544.

The previous prime is 1021231313093. The next prime is 1021231313153. The reversal of 1021231313133 is 3313131321201.

1021231313133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1021231313133 - 2²⁵ = 1021197758701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021231313153) 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, 154307860 + ... + 154314477.

It is an arithmetic number, because the mean of its divisors is an integer number (170359530576).

Almost surely, 2^{1021231313133} is an apocalyptic number.

It is an amenable number.

1021231313133 is a deficient number, since it is larger than the sum of its proper divisors (341644931475).

1021231313133 is a wasteful number, since it uses less digits than its factorization.

1021231313133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308623443.

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

Adding to 1021231313133 its reverse (3313131321201), we get a palindrome (4334362634334).

The spelling of 1021231313133 in words is "one trillion, twenty-one billion, two hundred thirty-one million, three hundred thirteen thousand, one hundred thirty-three".