131102224541 has 2 divisors, whose sum is σ = 131102224542. Its totient is φ = 131102224540.

The previous prime is 131102224531. The next prime is 131102224633. The reversal of 131102224541 is 145422201131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128340196516 + 2762028025 = 358246^2 + 52555^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131102224541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131102224541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131102224531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65551112270 + 65551112271.

It is an arithmetic number, because the mean of its divisors is an integer number (65551112271).

Almost surely, 2^131102224541 is an apocalyptic number.

It is an amenable number.

131102224541 is a deficient number, since it is larger than the sum of its proper divisors (1).

131102224541 is an equidigital number, since it uses as much as digits as its factorization.

131102224541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 131102224541 its reverse (145422201131), we get a palindrome (276524425672).

The spelling of 131102224541 in words is "one hundred thirty-one billion, one hundred two million, two hundred twenty-four thousand, five hundred forty-one".