33431140011 has 16 divisors (see below), whose sum is σ = 44846369568. Its totient is φ = 22151808000.

The previous prime is 33431140009. The next prime is 33431140051. The reversal of 33431140011 is 11004113433.

It is not a de Polignac number, because 33431140011 - 2¹ = 33431140009 is a prime.

It is a super-2 number, since 2×33431140011² (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 33431140011.

It is not an unprimeable number, because it can be changed into a prime (33431140051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1002811 + ... + 1035611.

It is an arithmetic number, because the mean of its divisors is an integer number (2802898098).

Almost surely, 2^33431140011 is an apocalyptic number.

33431140011 is a deficient number, since it is larger than the sum of its proper divisors (11415229557).

33431140011 is a wasteful number, since it uses less digits than its factorization.

33431140011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34862.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 33431140011 its reverse (11004113433), we get a palindrome (44435253444).

The spelling of 33431140011 in words is "thirty-three billion, four hundred thirty-one million, one hundred forty thousand, eleven".