131015943 has 12 divisors (see below), whose sum is σ = 189631000. Its totient is φ = 87165936.

The previous prime is 131015933. The next prime is 131015953. The reversal of 131015943 is 349510131.

It is an interprime number because it is at equal distance from previous prime (131015933) and next prime (131015953).

It is not a de Polignac number, because 131015943 - 2⁶ = 131015879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131015933) 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, 10096 + ... + 19077.

Almost surely, 2^131015943 is an apocalyptic number.

131015943 is a deficient number, since it is larger than the sum of its proper divisors (58615057).

131015943 is a wasteful number, since it uses less digits than its factorization.

131015943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29678 (or 29675 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 131015943 is about 11446.2195942591. The cubic root of 131015943 is about 507.8959101735.

It can be divided in two parts, 13101 and 5943, that added together give a square (19044 = 138²).

The spelling of 131015943 in words is "one hundred thirty-one million, fifteen thousand, nine hundred forty-three".