33142136231 has 4 divisors (see below), whose sum is σ = 33144598032. Its totient is φ = 33139674432.

The previous prime is 33142136161. The next prime is 33142136243. The reversal of 33142136231 is 13263124133.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 33142136231 - 2²⁶ = 33075027367 is a prime.

It is a super-2 number, since 2×33142136231² (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 = 33142136194 and 33142136203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33145136231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1210595 + ... + 1237668.

It is an arithmetic number, because the mean of its divisors is an integer number (8286149508).

Almost surely, 2^33142136231 is an apocalyptic number.

33142136231 is a deficient number, since it is larger than the sum of its proper divisors (2461801).

33142136231 is a wasteful number, since it uses less digits than its factorization.

33142136231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2461800.

The product of its digits is 7776, while the sum is 29.

The spelling of 33142136231 in words is "thirty-three billion, one hundred forty-two million, one hundred thirty-six thousand, two hundred thirty-one".