131000032312 has 16 divisors (see below), whose sum is σ = 245629989000. Its totient is φ = 65498701920.

The previous prime is 131000032253. The next prime is 131000032349. The reversal of 131000032312 is 213230000131.

It is a super-2 number, since 2×131000032312² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356439 + ... + 623737.

Almost surely, 2^131000032312 is an apocalyptic number.

It is an amenable number.

131000032312 is a deficient number, since it is larger than the sum of its proper divisors (114629956688).

131000032312 is a wasteful number, since it uses less digits than its factorization.

131000032312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328566 (or 328562 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 131000032312 its reverse (213230000131), we get a palindrome (344230032443).

The spelling of 131000032312 in words is "one hundred thirty-one billion, thirty-two thousand, three hundred twelve".