1313605155031 has 8 divisors (see below), whose sum is σ = 1418705153600. Its totient is φ = 1209084220512.

The previous prime is 1313605155001. The next prime is 1313605155067. The reversal of 1313605155031 is 1305515063131.

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

It is a cyclic number.

It is not a de Polignac number, because 1313605155031 - 2²⁵ = 1313571600599 is a prime.

It is a super-3 number, since 3×1313605155031³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313605155001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144761295 + ... + 144770368.

It is an arithmetic number, because the mean of its divisors is an integer number (177338144200).

Almost surely, 2^{1313605155031} is an apocalyptic number.

1313605155031 is a deficient number, since it is larger than the sum of its proper divisors (105099998569).

1313605155031 is a wasteful number, since it uses less digits than its factorization.

1313605155031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289532025.

The product of its (nonzero) digits is 20250, while the sum is 34.

The spelling of 1313605155031 in words is "one trillion, three hundred thirteen billion, six hundred five million, one hundred fifty-five thousand, thirty-one".