3261100001 has 4 divisors (see below), whose sum is σ = 3261219072. Its totient is φ = 3260980932.

The previous prime is 3261099971. The next prime is 3261100009. The reversal of 3261100001 is 1000011623.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1000011623 = 13 ⋅76923971.

It is a cyclic number.

It is not a de Polignac number, because 3261100001 - 2¹⁰ = 3261098977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3261100009) 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, 4520 + ... + 80886.

It is an arithmetic number, because the mean of its divisors is an integer number (815304768).

Almost surely, 2^3261100001 is an apocalyptic number.

It is an amenable number.

3261100001 is a deficient number, since it is larger than the sum of its proper divisors (119071).

3261100001 is an equidigital number, since it uses as much as digits as its factorization.

3261100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119070.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 3261100001 is about 57106.0417206446. The cubic root of 3261100001 is about 1482.9324620679.

Adding to 3261100001 its reverse (1000011623), we get a palindrome (4261111624).

The spelling of 3261100001 in words is "three billion, two hundred sixty-one million, one hundred thousand, one".