3131422203 has 32 divisors (see below), whose sum is σ = 5146638336. Its totient is φ = 1649202048.

The previous prime is 3131422103. The next prime is 3131422207. The reversal of 3131422203 is 3022241313.

It is not a de Polignac number, because 3131422203 - 2¹⁸ = 3131160059 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 3131422203.

It is not an unprimeable number, because it can be changed into a prime (3131422207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 176350 + ... + 193292.

It is an arithmetic number, because the mean of its divisors is an integer number (160832448).

Almost surely, 2^3131422203 is an apocalyptic number.

3131422203 is a deficient number, since it is larger than the sum of its proper divisors (2015216133).

3131422203 is a wasteful number, since it uses less digits than its factorization.

3131422203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17643.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 3131422203 is about 55959.1118853757. Note that the first 3 decimals coincide. The cubic root of 3131422203 is about 1463.0097110336.

Adding to 3131422203 its reverse (3022241313), we get a palindrome (6153663516).

The spelling of 3131422203 in words is "three billion, one hundred thirty-one million, four hundred twenty-two thousand, two hundred three".