10225131305 has 4 divisors (see below), whose sum is σ = 12270157572. Its totient is φ = 8180105040.

The previous prime is 10225131281. The next prime is 10225131307. The reversal of 10225131305 is 50313152201.

It is a happy number.

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 7302215209 + 2922916096 = 85453^2 + 54064^2 .

It is not a de Polignac number, because 10225131305 - 2¹⁰ = 10225130281 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10225131307) 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, 1022513126 + ... + 1022513135.

It is an arithmetic number, because the mean of its divisors is an integer number (3067539393).

Almost surely, 2^10225131305 is an apocalyptic number.

It is an amenable number.

10225131305 is a deficient number, since it is larger than the sum of its proper divisors (2045026267).

10225131305 is an equidigital number, since it uses as much as digits as its factorization.

10225131305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045026266.

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 10225131305 its reverse (50313152201), we get a palindrome (60538283506).

The spelling of 10225131305 in words is "ten billion, two hundred twenty-five million, one hundred thirty-one thousand, three hundred five".