131203012332 has 72 divisors (see below), whose sum is σ = 350998176256. Its totient is φ = 37366310304.

The previous prime is 131203012307. The next prime is 131203012333. The reversal of 131203012332 is 233210302131.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 131203012299 and 131203012308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131203012333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63597133 + ... + 63599195.

Almost surely, 2^131203012332 is an apocalyptic number.

131203012332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131203012332 is an abundant number, since it is smaller than the sum of its proper divisors (219795163924).

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

131203012332 is an equidigital number, since it uses as much as digits as its factorization.

131203012332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4507 (or 2442 counting only the distinct ones).

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

Adding to 131203012332 its reverse (233210302131), we get a palindrome (364413314463).

The spelling of 131203012332 in words is "one hundred thirty-one billion, two hundred three million, twelve thousand, three hundred thirty-two".