131000011983 has 12 divisors (see below), whose sum is σ = 191348333280. Its totient is φ = 86352067296.

The previous prime is 131000011973. The next prime is 131000012023. The reversal of 131000011983 is 389110000131.

It is a happy number.

It is not a de Polignac number, because 131000011983 - 2¹⁷ = 130999880911 is a prime.

It is a super-2 number, since 2×131000011983² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131000011913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81771991 + ... + 81773592.

It is an arithmetic number, because the mean of its divisors is an integer number (15945694440).

Almost surely, 2^131000011983 is an apocalyptic number.

131000011983 is a deficient number, since it is larger than the sum of its proper divisors (60348321297).

131000011983 is a wasteful number, since it uses less digits than its factorization.

131000011983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163545678 (or 163545675 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The spelling of 131000011983 in words is "one hundred thirty-one billion, eleven thousand, nine hundred eighty-three".