201101513 has 2 divisors, whose sum is σ = 201101514. Its totient is φ = 201101512.

The previous prime is 201101507. The next prime is 201101519. The reversal of 201101513 is 315101102.

201101513 = 10027² + 10028².

It is a balanced prime because it is at equal distance from previous prime (201101507) and next prime (201101519).

It can be written as a sum of positive squares in only one way, i.e., 100560784 + 100540729 = 10028^2 + 10027^2 .

It is a cyclic number.

It is not a de Polignac number, because 201101513 - 2¹⁰ = 201100489 is a prime.

It is not a weakly prime, because it can be changed into another prime (201101519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100550756 + 100550757.

It is an arithmetic number, because the mean of its divisors is an integer number (100550757).

Almost surely, 2^201101513 is an apocalyptic number.

201101513 is the 10028-th centered square number.

It is an amenable number.

201101513 is a deficient number, since it is larger than the sum of its proper divisors (1).

201101513 is an equidigital number, since it uses as much as digits as its factorization.

201101513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 201101513 is about 14181.0265143254. The cubic root of 201101513 is about 585.8751971677.

Adding to 201101513 its reverse (315101102), we get a palindrome (516202615).

The spelling of 201101513 in words is "two hundred one million, one hundred one thousand, five hundred thirteen".