3131122030 has 32 divisors (see below), whose sum is σ = 5778900288. Its totient is φ = 1220755200.

The previous prime is 3131122021. The next prime is 3131122039. The reversal of 3131122030 is 302211313.

It is an interprime number because it is at equal distance from previous prime (3131122021) and next prime (3131122039).

It is a junction number, because it is equal to n+sod(n) for n = 3131121995 and 3131122013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131122039) 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, 531300 + ... + 537160.

It is an arithmetic number, because the mean of its divisors is an integer number (180590634).

Almost surely, 2^3131122030 is an apocalyptic number.

3131122030 is a deficient number, since it is larger than the sum of its proper divisors (2647778258).

3131122030 is a wasteful number, since it uses less digits than its factorization.

3131122030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7212.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 3131122030 is about 55956.4297467235. The cubic root of 3131122030 is about 1462.9629623022.

Adding to 3131122030 its reverse (302211313), we get a palindrome (3433333343).

The spelling of 3131122030 in words is "three billion, one hundred thirty-one million, one hundred twenty-two thousand, thirty".