1313420663042 has 32 divisors (see below), whose sum is σ = 2090459664000. Its totient is φ = 617171401728.

The previous prime is 1313420663041. The next prime is 1313420663053. The reversal of 1313420663042 is 2403660243131.

It is a junction number, because it is equal to n+sod(n) for n = 1313420662993 and 1313420663011.

It is not an unprimeable number, because it can be changed into a prime (1313420663041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2729243 + ... + 3174209.

It is an arithmetic number, because the mean of its divisors is an integer number (65326864500).

Almost surely, 2^{1313420663042} is an apocalyptic number.

1313420663042 is a deficient number, since it is larger than the sum of its proper divisors (777039000958).

1313420663042 is a wasteful number, since it uses less digits than its factorization.

1313420663042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445610.

The product of its (nonzero) digits is 62208, while the sum is 35.

The spelling of 1313420663042 in words is "one trillion, three hundred thirteen billion, four hundred twenty million, six hundred sixty-three thousand, forty-two".