4430131332541 has 4 divisors (see below), whose sum is σ = 4430174308252. Its totient is φ = 4430088356832.

The previous prime is 4430131332527. The next prime is 4430131332577. The reversal of 4430131332541 is 1452331310344.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3583278632025 + 846852700516 = 1892955^2 + 920246^2 .

It is a cyclic number.

It is not a de Polignac number, because 4430131332541 - 2¹³ = 4430131324349 is a prime.

It is a super-2 number, since 2×4430131332541² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4430131332497 and 4430131332506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4430131332581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21332856 + ... + 21539521.

It is an arithmetic number, because the mean of its divisors is an integer number (1107543577063).

Almost surely, 2^{4430131332541} is an apocalyptic number.

It is an amenable number.

4430131332541 is a deficient number, since it is larger than the sum of its proper divisors (42975711).

4430131332541 is a wasteful number, since it uses less digits than its factorization.

4430131332541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42975710.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 4430131332541 its reverse (1452331310344), we get a palindrome (5882462642885).

The spelling of 4430131332541 in words is "four trillion, four hundred thirty billion, one hundred thirty-one million, three hundred thirty-two thousand, five hundred forty-one".