33231104040 has 32 divisors (see below), whose sum is σ = 99693312480. Its totient is φ = 8861627712.

The previous prime is 33231104029. The next prime is 33231104051. The reversal of 33231104040 is 4040113233.

It is an interprime number because it is at equal distance from previous prime (33231104029) and next prime (33231104051).

It is a super-2 number, since 2×33231104040² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33231103998 and 33231104016.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138462814 + ... + 138463053.

It is an arithmetic number, because the mean of its divisors is an integer number (3115416015).

Almost surely, 2^33231104040 is an apocalyptic number.

33231104040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33231104040 is an abundant number, since it is smaller than the sum of its proper divisors (66462208440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33231104040 is a wasteful number, since it uses less digits than its factorization.

33231104040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276925881 (or 276925877 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 33231104040 its reverse (4040113233), we get a palindrome (37271217273).

The spelling of 33231104040 in words is "thirty-three billion, two hundred thirty-one million, one hundred four thousand, forty".