1310431226 has 16 divisors (see below), whose sum is σ = 2117578344. Its totient is φ = 604606464.

The previous prime is 1310431181. The next prime is 1310431253. The reversal of 1310431226 is 6221340131.

It can be written as a sum of positive squares in 4 ways, for example, as 737068201 + 573363025 = 27149^2 + 23945^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89306 + ... + 102938.

Almost surely, 2^1310431226 is an apocalyptic number.

1310431226 is a deficient number, since it is larger than the sum of its proper divisors (807147118).

1310431226 is a wasteful number, since it uses less digits than its factorization.

1310431226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17345.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1310431226 is about 36199.8788119518. The cubic root of 1310431226 is about 1094.3042294306.

Adding to 1310431226 its reverse (6221340131), we get a palindrome (7531771357).

The spelling of 1310431226 in words is "one billion, three hundred ten million, four hundred thirty-one thousand, two hundred twenty-six".