1021133434231 has 8 divisors (see below), whose sum is σ = 1054113939584. Its totient is φ = 988155473760.

The previous prime is 1021133434219. The next prime is 1021133434253. The reversal of 1021133434231 is 1324343311201.

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 1021133434231 - 2⁷ = 1021133434103 is a prime.

It is a super-2 number, since 2×1021133434231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1021133434231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021133434201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196561 + ... + 1442533.

It is an arithmetic number, because the mean of its divisors is an integer number (131764242448).

Almost surely, 2^{1021133434231} is an apocalyptic number.

1021133434231 is a deficient number, since it is larger than the sum of its proper divisors (32980505353).

1021133434231 is a wasteful number, since it uses less digits than its factorization.

1021133434231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272441.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 1021133434231 its reverse (1324343311201), we get a palindrome (2345476745432).

The spelling of 1021133434231 in words is "one trillion, twenty-one billion, one hundred thirty-three million, four hundred thirty-four thousand, two hundred thirty-one".