1331441101 has 2 divisors, whose sum is σ = 1331441102. Its totient is φ = 1331441100.

The previous prime is 1331441099. The next prime is 1331441113. The reversal of 1331441101 is 1011441331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1110888900 + 220552201 = 33330^2 + 14851^2 .

It is an emirp because it is prime and its reverse (1011441331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1331441101 - 2¹ = 1331441099 is a prime.

Together with 1331441099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1331441161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665720550 + 665720551.

It is an arithmetic number, because the mean of its divisors is an integer number (665720551).

Almost surely, 2^1331441101 is an apocalyptic number.

It is an amenable number.

1331441101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331441101 is an equidigital number, since it uses as much as digits as its factorization.

1331441101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1331441101 is about 36488.9175092931. The cubic root of 1331441101 is about 1100.1215020058.

Adding to 1331441101 its reverse (1011441331), we get a palindrome (2342882432).

The spelling of 1331441101 in words is "one billion, three hundred thirty-one million, four hundred forty-one thousand, one hundred one".