340213203131020 has 24 divisors (see below), whose sum is σ = 714449619521568. Its totient is φ = 136084920691200.

The previous prime is 340213203131017. The next prime is 340213203131029. The reversal of 340213203131020 is 20131302312043.

It is not an unprimeable number, because it can be changed into a prime (340213203131029) 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, 14731936 + ... + 29957575.

It is an arithmetic number, because the mean of its divisors is an integer number (29768734146732).

Almost surely, 2^{340213203131020} is an apocalyptic number.

It is an amenable number.

340213203131020 is an abundant number, since it is smaller than the sum of its proper divisors (374236416390548).

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

340213203131020 is a wasteful number, since it uses less digits than its factorization.

340213203131020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45070161 (or 45070159 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 340213203131020 its reverse (20131302312043), we get a palindrome (360344505443063).

The spelling of 340213203131020 in words is "three hundred forty trillion, two hundred thirteen billion, two hundred three million, one hundred thirty-one thousand, twenty".