1541103313 has 4 divisors (see below), whose sum is σ = 1570180788. Its totient is φ = 1512025840.

The previous prime is 1541103301. The next prime is 1541103331. The reversal of 1541103313 is 3133011451.

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 1394499649 + 146603664 = 37343^2 + 12108^2 .

It is a cyclic number.

It is not a de Polignac number, because 1541103313 - 2¹³ = 1541095121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1541103013) 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, 14538658 + ... + 14538763.

It is an arithmetic number, because the mean of its divisors is an integer number (392545197).

Almost surely, 2^1541103313 is an apocalyptic number.

It is an amenable number.

1541103313 is a deficient number, since it is larger than the sum of its proper divisors (29077475).

1541103313 is an equidigital number, since it uses as much as digits as its factorization.

1541103313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29077474.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1541103313 is about 39256.8887330619. Note that the first 3 decimals coincide. The cubic root of 1541103313 is about 1155.0760650291.

Adding to 1541103313 its reverse (3133011451), we get a palindrome (4674114764).

The spelling of 1541103313 in words is "one billion, five hundred forty-one million, one hundred three thousand, three hundred thirteen".