1310220142 has 32 divisors (see below), whose sum is σ = 2453736960. Its totient is φ = 509755680.

The previous prime is 1310220137. The next prime is 1310220143. The reversal of 1310220142 is 2410220131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310220143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110959 + ... + 122197.

It is an arithmetic number, because the mean of its divisors is an integer number (76679280).

Almost surely, 2^1310220142 is an apocalyptic number.

1310220142 is a deficient number, since it is larger than the sum of its proper divisors (1143516818).

1310220142 is a wasteful number, since it uses less digits than its factorization.

1310220142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12016.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1310220142 is about 36196.9631599116. The cubic root of 1310220142 is about 1094.2454695067.

Adding to 1310220142 its reverse (2410220131), we get a palindrome (3720440273).

The spelling of 1310220142 in words is "one billion, three hundred ten million, two hundred twenty thousand, one hundred forty-two".