33121630231 has 8 divisors (see below), whose sum is σ = 33233850000. Its totient is φ = 33009550080.

The previous prime is 33121630193. The next prime is 33121630237. The reversal of 33121630231 is 13203612133.

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 33121630231 - 2⁷ = 33121630103 is a prime.

It is a super-2 number, since 2×33121630231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33121630196 and 33121630205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33121630237) 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, 451776 + ... + 519946.

It is an arithmetic number, because the mean of its divisors is an integer number (4154231250).

Almost surely, 2^33121630231 is an apocalyptic number.

33121630231 is a deficient number, since it is larger than the sum of its proper divisors (112219769).

33121630231 is a wasteful number, since it uses less digits than its factorization.

33121630231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69809.

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

The spelling of 33121630231 in words is "thirty-three billion, one hundred twenty-one million, six hundred thirty thousand, two hundred thirty-one".