313121141 has 16 divisors (see below), whose sum is σ = 331782528. Its totient is φ = 295142400.

The previous prime is 313121119. The next prime is 313121143. The reversal of 313121141 is 141121313.

It is a cyclic number.

It is not a de Polignac number, because 313121141 - 2¹⁰ = 313120117 is a prime.

It is a super-2 number, since 2×313121141² = 196089697882283762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313121143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170096 + ... + 171926.

It is an arithmetic number, because the mean of its divisors is an integer number (20736408).

Almost surely, 2^313121141 is an apocalyptic number.

It is an amenable number.

313121141 is a deficient number, since it is larger than the sum of its proper divisors (18661387).

313121141 is a wasteful number, since it uses less digits than its factorization.

313121141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2012.

The product of its digits is 72, while the sum is 17.

The square root of 313121141 is about 17695.2293288332. The cubic root of 313121141 is about 679.0537162076.

Adding to 313121141 its reverse (141121313), we get a palindrome (454242454).

The spelling of 313121141 in words is "three hundred thirteen million, one hundred twenty-one thousand, one hundred forty-one".