2261663033131 has 8 divisors (see below), whose sum is σ = 2290690520000. Its totient is φ = 2232645517440.

The previous prime is 2261663033129. The next prime is 2261663033153. The reversal of 2261663033131 is 1313303661622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2261663033131 - 2¹ = 2261663033129 is a prime.

It is a super-2 number, since 2×2261663033131² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2261663033171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2035710 + ... + 2944051.

It is an arithmetic number, because the mean of its divisors is an integer number (286336315000).

Almost surely, 2^{2261663033131} is an apocalyptic number.

2261663033131 is a deficient number, since it is larger than the sum of its proper divisors (29027486869).

2261663033131 is an equidigital number, since it uses as much as digits as its factorization.

2261663033131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4985589.

The product of its (nonzero) digits is 69984, while the sum is 37.

Adding to 2261663033131 its reverse (1313303661622), we get a palindrome (3574966694753).

The spelling of 2261663033131 in words is "two trillion, two hundred sixty-one billion, six hundred sixty-three million, thirty-three thousand, one hundred thirty-one".