131211210031043 has 8 divisors (see below), whose sum is σ = 137079234835200. Its totient is φ = 125356784359048.

The previous prime is 131211210031007. The next prime is 131211210031169. The reversal of 131211210031043 is 340130012112131.

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

It is a cyclic number.

It is not a de Polignac number, because 131211210031043 - 2³² = 131206915063747 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131211210031243) 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, 3399763313 + ... + 3399801906.

It is an arithmetic number, because the mean of its divisors is an integer number (17134904354400).

Almost surely, 2^{131211210031043} is an apocalyptic number.

131211210031043 is a deficient number, since it is larger than the sum of its proper divisors (5868024804157).

131211210031043 is an equidigital number, since it uses as much as digits as its factorization.

131211210031043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6799566081.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 131211210031043 its reverse (340130012112131), we get a palindrome (471341222143174).

The spelling of 131211210031043 in words is "one hundred thirty-one trillion, two hundred eleven billion, two hundred ten million, thirty-one thousand, forty-three".