33130240031 has 8 divisors (see below), whose sum is σ = 37933123104. Its totient is φ = 28344854880.

The previous prime is 33130239983. The next prime is 33130240043. The reversal of 33130240031 is 13004203133.

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 33130240031 - 2¹⁰ = 33130239007 is a prime.

It is a super-2 number, since 2×33130240031² (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 = 33130239985 and 33130240012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33130240061) 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, 4370420 + ... + 4377993.

It is an arithmetic number, because the mean of its divisors is an integer number (4741640388).

Almost surely, 2^33130240031 is an apocalyptic number.

33130240031 is a deficient number, since it is larger than the sum of its proper divisors (4802883073).

33130240031 is an equidigital number, since it uses as much as digits as its factorization.

33130240031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8748961.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 33130240031 its reverse (13004203133), we get a palindrome (46134443164).

The spelling of 33130240031 in words is "thirty-three billion, one hundred thirty million, two hundred forty thousand, thirty-one".