131203323320 has 64 divisors (see below), whose sum is σ = 297304473600. Its totient is φ = 52109814400.

The previous prime is 131203323271. The next prime is 131203323343. The reversal of 131203323320 is 23323302131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3297545 + ... + 3337095.

It is an arithmetic number, because the mean of its divisors is an integer number (4645382400).

Almost surely, 2^131203323320 is an apocalyptic number.

131203323320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131203323320 is an abundant number, since it is smaller than the sum of its proper divisors (166101150280).

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

131203323320 is a wasteful number, since it uses less digits than its factorization.

131203323320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40148 (or 40144 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 131203323320 its reverse (23323302131), we get a palindrome (154526625451).

The spelling of 131203323320 in words is "one hundred thirty-one billion, two hundred three million, three hundred twenty-three thousand, three hundred twenty".