1313021501142 has 64 divisors (see below), whose sum is σ = 3022980742656. Its totient is φ = 377015696640.

The previous prime is 1313021501093. The next prime is 1313021501173. The reversal of 1313021501142 is 2411051203131.

It is a super-2 number, since 2×1313021501142² (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 31 ways as a sum of consecutive naturals, for example, 8852008 + ... + 8999115.

It is an arithmetic number, because the mean of its divisors is an integer number (47234074104).

Almost surely, 2^{1313021501142} is an apocalyptic number.

1313021501142 is an abundant number, since it is smaller than the sum of its proper divisors (1709959241514).

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

1313021501142 is a wasteful number, since it uses less digits than its factorization.

1313021501142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17851205.

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 1313021501142 its reverse (2411051203131), we get a palindrome (3724072704273).

The spelling of 1313021501142 in words is "one trillion, three hundred thirteen billion, twenty-one million, five hundred one thousand, one hundred forty-two".