40543131351 has 4 divisors (see below), whose sum is σ = 54057508472. Its totient is φ = 27028754232.

The previous prime is 40543131341. The next prime is 40543131373. The reversal of 40543131351 is 15313134504.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40543131351 - 2⁶ = 40543131287 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 (40543131341) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6757188556 + ... + 6757188561.

It is an arithmetic number, because the mean of its divisors is an integer number (13514377118).

Almost surely, 2^40543131351 is an apocalyptic number.

40543131351 is a deficient number, since it is larger than the sum of its proper divisors (13514377121).

40543131351 is a wasteful number, since it uses less digits than its factorization.

40543131351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13514377120.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 40543131351 its reverse (15313134504), we get a palindrome (55856265855).

The spelling of 40543131351 in words is "forty billion, five hundred forty-three million, one hundred thirty-one thousand, three hundred fifty-one".