313142505405 has 32 divisors (see below), whose sum is σ = 530075145600. Its totient is φ = 157416198912.

The previous prime is 313142505373. The next prime is 313142505437. The reversal of 313142505405 is 504505241313.

It is an interprime number because it is at equal distance from previous prime (313142505373) and next prime (313142505437).

It is not a de Polignac number, because 313142505405 - 2⁵ = 313142505373 is a prime.

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, 2732550 + ... + 2844839.

It is an arithmetic number, because the mean of its divisors is an integer number (16564848300).

Almost surely, 2^313142505405 is an apocalyptic number.

It is an amenable number.

313142505405 is a deficient number, since it is larger than the sum of its proper divisors (216932640195).

313142505405 is a wasteful number, since it uses less digits than its factorization.

313142505405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5577613.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 313142505405 its reverse (504505241313), we get a palindrome (817647746718).

It can be divided in two parts, 31314250 and 5405, that added together give a triangular number (31319655 = T₇₉₁₄).

The spelling of 313142505405 in words is "three hundred thirteen billion, one hundred forty-two million, five hundred five thousand, four hundred five".