33400105031 has 8 divisors (see below), whose sum is σ = 34041346560. Its totient is φ = 32764773888.

The previous prime is 33400105021. The next prime is 33400105049. The reversal of 33400105031 is 13050100433.

It is a happy number.

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 33400105031 - 2¹⁸ = 33399842887 is a prime.

It is a super-2 number, since 2×33400105031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33400104994 and 33400105012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33400105001) 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, 1466186 + ... + 1488791.

It is an arithmetic number, because the mean of its divisors is an integer number (4255168320).

Almost surely, 2^33400105031 is an apocalyptic number.

33400105031 is a deficient number, since it is larger than the sum of its proper divisors (641241529).

33400105031 is a wasteful number, since it uses less digits than its factorization.

33400105031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2955193.

The product of its (nonzero) digits is 540, while the sum is 20.

Adding to 33400105031 its reverse (13050100433), we get a palindrome (46450205464).

The spelling of 33400105031 in words is "thirty-three billion, four hundred million, one hundred five thousand, thirty-one".