313047002155 has 4 divisors (see below), whose sum is σ = 375656402592. Its totient is φ = 250437601720.

The previous prime is 313047002153. The next prime is 313047002167. The reversal of 313047002155 is 551200740313.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 551200740313 = 23753 ⋅23205521.

It is not a de Polignac number, because 313047002155 - 2¹ = 313047002153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313047002153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31304700211 + ... + 31304700220.

It is an arithmetic number, because the mean of its divisors is an integer number (93914100648).

Almost surely, 2^313047002155 is an apocalyptic number.

313047002155 is a deficient number, since it is larger than the sum of its proper divisors (62609400437).

313047002155 is an equidigital number, since it uses as much as digits as its factorization.

313047002155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62609400436.

The product of its (nonzero) digits is 12600, while the sum is 31.

Adding to 313047002155 its reverse (551200740313), we get a palindrome (864247742468).

The spelling of 313047002155 in words is "three hundred thirteen billion, forty-seven million, two thousand, one hundred fifty-five".