131000320032 has 24 divisors (see below), whose sum is σ = 343875840336. Its totient is φ = 43666773312.

The previous prime is 131000320027. The next prime is 131000320117. The reversal of 131000320032 is 230023000131.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×131000320032² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131000319993 and 131000320020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 682293238 + ... + 682293429.

It is an arithmetic number, because the mean of its divisors is an integer number (14328160014).

Almost surely, 2^131000320032 is an apocalyptic number.

131000320032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131000320032 is an abundant number, since it is smaller than the sum of its proper divisors (212875520304).

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

131000320032 is a wasteful number, since it uses less digits than its factorization.

131000320032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364586680 (or 1364586672 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 131000320032 its reverse (230023000131), we get a palindrome (361023320163).

The spelling of 131000320032 in words is "one hundred thirty-one billion, three hundred twenty thousand, thirty-two".