131443004031 has 8 divisors (see below), whose sum is σ = 175417103664. Its totient is φ = 87548786880.

The previous prime is 131443004009. The next prime is 131443004059. The reversal of 131443004031 is 130400344131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131443004031 - 2⁹ = 131443003519 is a prime.

It is a super-2 number, since 2×131443004031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131443003992 and 131443004010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131443004431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19966780 + ... + 19973361.

It is an arithmetic number, because the mean of its divisors is an integer number (21927137958).

Almost surely, 2^131443004031 is an apocalyptic number.

131443004031 is a deficient number, since it is larger than the sum of its proper divisors (43974099633).

131443004031 is a wasteful number, since it uses less digits than its factorization.

131443004031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39941241.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 131443004031 its reverse (130400344131), we get a palindrome (261843348162).

The spelling of 131443004031 in words is "one hundred thirty-one billion, four hundred forty-three million, four thousand, thirty-one".