313422031 has 4 divisors (see below), whose sum is σ = 337531432. Its totient is φ = 289312632.

The previous prime is 313421981. The next prime is 313422041. The reversal of 313422031 is 130224313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130224313 = 5981 ⋅21773.

It is a cyclic number.

It is not a de Polignac number, because 313422031 - 2¹¹ = 313419983 is a prime.

It is a super-2 number, since 2×313422031² = 196466739032329922, 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 (313422041) 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, 12054681 + ... + 12054706.

It is an arithmetic number, because the mean of its divisors is an integer number (84382858).

Almost surely, 2^313422031 is an apocalyptic number.

313422031 is a deficient number, since it is larger than the sum of its proper divisors (24109401).

313422031 is a wasteful number, since it uses less digits than its factorization.

313422031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24109400.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 313422031 is about 17703.7292963940. The cubic root of 313422031 is about 679.2711560782.

Adding to 313422031 its reverse (130224313), we get a palindrome (443646344).

The spelling of 313422031 in words is "three hundred thirteen million, four hundred twenty-two thousand, thirty-one".