33413131020 has 24 divisors (see below), whose sum is σ = 93556767024. Its totient is φ = 8910168256.

The previous prime is 33413130997. The next prime is 33413131111. The reversal of 33413131020 is 2013131433.

It is a super-2 number, since 2×33413131020² (a number of 22 digits) contains 22 as substring.

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, 278442699 + ... + 278442818.

It is an arithmetic number, because the mean of its divisors is an integer number (3898198626).

Almost surely, 2^33413131020 is an apocalyptic number.

33413131020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33413131020 is an abundant number, since it is smaller than the sum of its proper divisors (60143636004).

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

33413131020 is a wasteful number, since it uses less digits than its factorization.

33413131020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556885529 (or 556885527 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 33413131020 its reverse (2013131433), we get a palindrome (35426262453).

The spelling of 33413131020 in words is "thirty-three billion, four hundred thirteen million, one hundred thirty-one thousand, twenty".