1310231242 has 16 divisors (see below), whose sum is σ = 2129352192. Its totient is φ = 602239680.

The previous prime is 1310231239. The next prime is 1310231249. The reversal of 1310231242 is 2421320131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1310231249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 446634 + ... + 449557.

It is an arithmetic number, because the mean of its divisors is an integer number (133084512).

Almost surely, 2^1310231242 is an apocalyptic number.

1310231242 is a deficient number, since it is larger than the sum of its proper divisors (819120950).

1310231242 is a wasteful number, since it uses less digits than its factorization.

1310231242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896253.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1310231242 is about 36197.1164873668. The cubic root of 1310231242 is about 1094.2485595956.

Adding to 1310231242 its reverse (2421320131), we get a palindrome (3731551373).

Subtracting 1310231242 from its reverse (2421320131), we obtain a square (1111088889 = 33333²).

It can be divided in two parts, 13102 and 31242, that added together give a palindrome (44344).

The spelling of 1310231242 in words is "one billion, three hundred ten million, two hundred thirty-one thousand, two hundred forty-two".