131012031320 has 32 divisors (see below), whose sum is σ = 295818711120. Its totient is φ = 52219632000.

The previous prime is 131012031317. The next prime is 131012031383. The reversal of 131012031320 is 23130210131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5775431 + ... + 5798070.

Almost surely, 2^131012031320 is an apocalyptic number.

131012031320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131012031320 is an abundant number, since it is smaller than the sum of its proper divisors (164806679800).

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

131012031320 is a wasteful number, since it uses less digits than its factorization.

131012031320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11573795 (or 11573791 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 131012031320 its reverse (23130210131), we get a palindrome (154142241451).

The spelling of 131012031320 in words is "one hundred thirty-one billion, twelve million, thirty-one thousand, three hundred twenty".