3131203214 has 4 divisors (see below), whose sum is σ = 4696804824. Its totient is φ = 1565601606.

The previous prime is 3131203189. The next prime is 3131203217. The reversal of 3131203214 is 4123021313.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131203217) 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 as a sum of consecutive naturals, namely, 782800802 + ... + 782800805.

It is an arithmetic number, because the mean of its divisors is an integer number (1174201206).

Almost surely, 2^3131203214 is an apocalyptic number.

3131203214 is a deficient number, since it is larger than the sum of its proper divisors (1565601610).

3131203214 is a wasteful number, since it uses less digits than its factorization.

3131203214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565601609.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 3131203214 is about 55957.1551635714. The cubic root of 3131203214 is about 1462.9756061359.

Adding to 3131203214 its reverse (4123021313), we get a palindrome (7254224527).

The spelling of 3131203214 in words is "three billion, one hundred thirty-one million, two hundred three thousand, two hundred fourteen".