33213131092 has 6 divisors (see below), whose sum is σ = 58122979418. Its totient is φ = 16606565544.

The previous prime is 33213131069. The next prime is 33213131101. The reversal of 33213131092 is 29013131233.

It can be written as a sum of positive squares in only one way, i.e., 19386663696 + 13826467396 = 139236^2 + 117586^2 .

It is a super-2 number, since 2×33213131092² (a number of 22 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 33213131092.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4151641383 + ... + 4151641390.

Almost surely, 2^33213131092 is an apocalyptic number.

It is an amenable number.

33213131092 is a deficient number, since it is larger than the sum of its proper divisors (24909848326).

33213131092 is a wasteful number, since it uses less digits than its factorization.

33213131092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8303282777 (or 8303282775 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 28.

The spelling of 33213131092 in words is "thirty-three billion, two hundred thirteen million, one hundred thirty-one thousand, ninety-two".