1313170155 has 48 divisors (see below), whose sum is σ = 2495750400. Its totient is φ = 633441600.

The previous prime is 1313170147. The next prime is 1313170213. The reversal of 1313170155 is 5510713131.

It is not a de Polignac number, because 1313170155 - 2³ = 1313170147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 91840 + ... + 105170.

It is an arithmetic number, because the mean of its divisors is an integer number (51994800).

Almost surely, 2^1313170155 is an apocalyptic number.

1313170155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1313170155 is a deficient number, since it is larger than the sum of its proper divisors (1182580245).

1313170155 is a wasteful number, since it uses less digits than its factorization.

1313170155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13552 (or 13549 counting only the distinct ones).

The product of its (nonzero) digits is 1575, while the sum is 27.

The square root of 1313170155 is about 36237.6897028494. The cubic root of 1313170155 is about 1095.0660997191.

Adding to 1313170155 its reverse (5510713131), we get a palindrome (6823883286).

The spelling of 1313170155 in words is "one billion, three hundred thirteen million, one hundred seventy thousand, one hundred fifty-five".