131344020143 has 12 divisors (see below), whose sum is σ = 154300699512. Its totient is φ = 111465925200.

The previous prime is 131344020121. The next prime is 131344020163. The reversal of 131344020143 is 341020443131.

It is a happy number.

It is not a de Polignac number, because 131344020143 - 2⁶ = 131344020079 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 (131344020163) 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, 13264805 + ... + 13274702.

It is an arithmetic number, because the mean of its divisors is an integer number (12858391626).

Almost surely, 2^131344020143 is an apocalyptic number.

131344020143 is a deficient number, since it is larger than the sum of its proper divisors (22956679369).

131344020143 is a wasteful number, since it uses less digits than its factorization.

131344020143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26539622 (or 26539615 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 131344020143 its reverse (341020443131), we get a palindrome (472364463274).

The spelling of 131344020143 in words is "one hundred thirty-one billion, three hundred forty-four million, twenty thousand, one hundred forty-three".