314121531 has 4 divisors (see below), whose sum is σ = 418828712. Its totient is φ = 209414352.

The previous prime is 314121517. The next prime is 314121553. The reversal of 314121531 is 135121413.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 314121531 - 2⁵ = 314121499 is a prime.

It is a super-2 number, since 2×314121531² = 197344672475567922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 314121498 and 314121507.

It is not an unprimeable number, because it can be changed into a prime (314125531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52353586 + ... + 52353591.

It is an arithmetic number, because the mean of its divisors is an integer number (104707178).

Almost surely, 2^314121531 is an apocalyptic number.

314121531 is a deficient number, since it is larger than the sum of its proper divisors (104707181).

314121531 is a wasteful number, since it uses less digits than its factorization.

314121531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104707180.

The product of its digits is 360, while the sum is 21.

The square root of 314121531 is about 17723.4740104755. The cubic root of 314121531 is about 679.7761164638.

Adding to 314121531 its reverse (135121413), we get a palindrome (449242944).

The spelling of 314121531 in words is "three hundred fourteen million, one hundred twenty-one thousand, five hundred thirty-one".