131203203312 has 40 divisors (see below), whose sum is σ = 340348035280. Its totient is φ = 43552926720.

The previous prime is 131203203293. The next prime is 131203203361. The reversal of 131203203312 is 213302302131.

It is a congruent number.

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, 5659387 + ... + 5682522.

It is an arithmetic number, because the mean of its divisors is an integer number (8508700882).

Almost surely, 2^131203203312 is an apocalyptic number.

131203203312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131203203312 is an abundant number, since it is smaller than the sum of its proper divisors (209144831968).

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

131203203312 is a wasteful number, since it uses less digits than its factorization.

131203203312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11342161 (or 11342155 counting only the distinct ones).

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

Adding to 131203203312 its reverse (213302302131), we get a palindrome (344505505443).

The spelling of 131203203312 in words is "one hundred thirty-one billion, two hundred three million, two hundred three thousand, three hundred twelve".