131020441431423 has 96 divisors (see below), whose sum is σ = 192644619552000. Its totient is φ = 78981871288320.

The previous prime is 131020441431403. The next prime is 131020441431431. The reversal of 131020441431423 is 324134144020131.

It is a happy number.

It is not a de Polignac number, because 131020441431423 - 2⁹ = 131020441430911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131020441431403) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 47975260968 + ... + 47975263698.

It is an arithmetic number, because the mean of its divisors is an integer number (2006714787000).

Almost surely, 2^{131020441431423} is an apocalyptic number.

131020441431423 is a deficient number, since it is larger than the sum of its proper divisors (61624178120577).

131020441431423 is a wasteful number, since it uses less digits than its factorization.

131020441431423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5637 (or 5614 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 131020441431423 its reverse (324134144020131), we get a palindrome (455154585451554).

The spelling of 131020441431423 in words is "one hundred thirty-one trillion, twenty billion, four hundred forty-one million, four hundred thirty-one thousand, four hundred twenty-three".