1313123120142 has 16 divisors (see below), whose sum is σ = 2634636807120. Its totient is φ = 436309278912.

The previous prime is 1313123120123. The next prime is 1313123120161. The reversal of 1313123120142 is 2410213213131.

It is an interprime number because it is at equal distance from previous prime (1313123120123) and next prime (1313123120161).

It is a super-2 number, since 2×1313123120142² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 349604917 + ... + 349608672.

It is an arithmetic number, because the mean of its divisors is an integer number (164664800445).

Almost surely, 2^{1313123120142} is an apocalyptic number.

1313123120142 is an abundant number, since it is smaller than the sum of its proper divisors (1321513686978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1313123120142 is a wasteful number, since it uses less digits than its factorization.

1313123120142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699213907.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 1313123120142 its reverse (2410213213131), we get a palindrome (3723336333273).

The spelling of 1313123120142 in words is "one trillion, three hundred thirteen billion, one hundred twenty-three million, one hundred twenty thousand, one hundred forty-two".