202012313 has 4 divisors (see below), whose sum is σ = 212644560. Its totient is φ = 191380068.

The previous prime is 202012277. The next prime is 202012319. The reversal of 202012313 is 313210202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 313210202 = 2 ⋅156605101.

It is a cyclic number.

It is not a de Polignac number, because 202012313 - 2⁶ = 202012249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202012319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5316095 + ... + 5316132.

It is an arithmetic number, because the mean of its divisors is an integer number (53161140).

Almost surely, 2^202012313 is an apocalyptic number.

It is an amenable number.

202012313 is a deficient number, since it is larger than the sum of its proper divisors (10632247).

202012313 is a wasteful number, since it uses less digits than its factorization.

202012313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10632246.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 202012313 is about 14213.1035667795. The cubic root of 202012313 is about 586.7583523987.

Adding to 202012313 its reverse (313210202), we get a palindrome (515222515).

The spelling of 202012313 in words is "two hundred two million, twelve thousand, three hundred thirteen".