33113223121231 has 8 divisors (see below), whose sum is σ = 37694103790464. Its totient is φ = 28794107061720.

The previous prime is 33113223121217. The next prime is 33113223121249. The reversal of 33113223121231 is 13212132231133.

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

It is not a de Polignac number, because 33113223121231 - 2¹³ = 33113223113039 is a prime.

It is a super-2 number, since 2×33113223121231² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33113223121231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33113223121031) 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, 65441152161 + ... + 65441152666.

It is an arithmetic number, because the mean of its divisors is an integer number (4711762973808).

Almost surely, 2^{33113223121231} is an apocalyptic number.

33113223121231 is a deficient number, since it is larger than the sum of its proper divisors (4580880669233).

33113223121231 is a wasteful number, since it uses less digits than its factorization.

33113223121231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130882304861.

The product of its digits is 3888, while the sum is 28.

Adding to 33113223121231 its reverse (13212132231133), we get a palindrome (46325355352364).

The spelling of 33113223121231 in words is "thirty-three trillion, one hundred thirteen billion, two hundred twenty-three million, one hundred twenty-one thousand, two hundred thirty-one".