1303355421242 has 16 divisors (see below), whose sum is σ = 2234765353920. Its totient is φ = 558470451168.

The previous prime is 1303355421233. The next prime is 1303355421283. The reversal of 1303355421242 is 2421245533031.

It is a super-2 number, since 2×1303355421242² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9130283 + ... + 9271934.

It is an arithmetic number, because the mean of its divisors is an integer number (139672834620).

Almost surely, 2^{1303355421242} is an apocalyptic number.

1303355421242 is a deficient number, since it is larger than the sum of its proper divisors (931409932678).

1303355421242 is a wasteful number, since it uses less digits than its factorization.

1303355421242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18407285.

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 1303355421242 in words is "one trillion, three hundred three billion, three hundred fifty-five million, four hundred twenty-one thousand, two hundred forty-two".