203131232424120 has 1024 divisors, whose sum is σ = 843011126415360. Its totient is φ = 37787826585600.

The previous prime is 203131232424097. The next prime is 203131232424161. The reversal of 203131232424120 is 21424232131302.

It is a happy number.

It is a super-2 number, since 2×203131232424120² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 1391036710 + ... + 1391182730.

It is an arithmetic number, because the mean of its divisors is an integer number (823253053140).

Almost surely, 2^{203131232424120} is an apocalyptic number.

203131232424120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203131232424120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (421505563207680).

203131232424120 is an abundant number, since it is smaller than the sum of its proper divisors (639879893991240).

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

203131232424120 is a wasteful number, since it uses less digits than its factorization.

203131232424120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146416 (or 146412 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 203131232424120 its reverse (21424232131302), we get a palindrome (224555464555422).

The spelling of 203131232424120 in words is "two hundred three trillion, one hundred thirty-one billion, two hundred thirty-two million, four hundred twenty-four thousand, one hundred twenty".