1312013042 has 8 divisors (see below), whose sum is σ = 2071599600. Its totient is φ = 621479844.

The previous prime is 1312012987. The next prime is 1312013051. The reversal of 1312013042 is 2403102131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1312013042.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17263292 + ... + 17263367.

It is an arithmetic number, because the mean of its divisors is an integer number (258949950).

Almost surely, 2^1312013042 is an apocalyptic number.

1312013042 is a deficient number, since it is larger than the sum of its proper divisors (759586558).

1312013042 is a wasteful number, since it uses less digits than its factorization.

1312013042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34526680.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1312013042 is about 36221.7205830977. The cubic root of 1312013042 is about 1094.7443623889.

Adding to 1312013042 its reverse (2403102131), we get a palindrome (3715115173).

It can be divided in two parts, 13120 and 13042, that added together give a palindrome (26162).

The spelling of 1312013042 in words is "one billion, three hundred twelve million, thirteen thousand, forty-two".