1310420542 has 4 divisors (see below), whose sum is σ = 1965630816. Its totient is φ = 655210270.

The previous prime is 1310420533. The next prime is 1310420543. The reversal of 1310420542 is 2450240131.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310420543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327605134 + ... + 327605137.

It is an arithmetic number, because the mean of its divisors is an integer number (491407704).

Almost surely, 2^1310420542 is an apocalyptic number.

1310420542 is a deficient number, since it is larger than the sum of its proper divisors (655210274).

1310420542 is an equidigital number, since it uses as much as digits as its factorization.

1310420542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655210273.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1310420542 is about 36199.7312420963. The cubic root of 1310420542 is about 1094.3012554533.

Adding to 1310420542 its reverse (2450240131), we get a palindrome (3760660673).

The spelling of 1310420542 in words is "one billion, three hundred ten million, four hundred twenty thousand, five hundred forty-two".