131021143424331 has 16 divisors (see below), whose sum is σ = 175303482923520. Its totient is φ = 87043158604640.

The previous prime is 131021143424321. The next prime is 131021143424407. The reversal of 131021143424331 is 133424341120131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 131021143424331 - 2³⁰ = 131020069682507 is a prime.

It is a super-2 number, since 2×131021143424331² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131021143424292 and 131021143424301.

It is not an unprimeable number, because it can be changed into a prime (131021143424321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7182076 + ... + 17709446.

It is an arithmetic number, because the mean of its divisors is an integer number (10956467682720).

Almost surely, 2^{131021143424331} is an apocalyptic number.

131021143424331 is a deficient number, since it is larger than the sum of its proper divisors (44282339499189).

131021143424331 is a wasteful number, since it uses less digits than its factorization.

131021143424331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10541826.

The product of its (nonzero) digits is 20736, while the sum is 33.

Adding to 131021143424331 its reverse (133424341120131), we get a palindrome (264445484544462).

The spelling of 131021143424331 in words is "one hundred thirty-one trillion, twenty-one billion, one hundred forty-three million, four hundred twenty-four thousand, three hundred thirty-one".