3131011442 has 16 divisors (see below), whose sum is σ = 5058752832. Its totient is φ = 1444806480.

The previous prime is 3131011441. The next prime is 3131011489. The reversal of 3131011442 is 2441101313.

It is not an unprimeable number, because it can be changed into a prime (3131011441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202817 + ... + 217707.

It is an arithmetic number, because the mean of its divisors is an integer number (316172052).

Almost surely, 2^3131011442 is an apocalyptic number.

3131011442 is a deficient number, since it is larger than the sum of its proper divisors (1927741390).

3131011442 is a wasteful number, since it uses less digits than its factorization.

3131011442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22993.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 3131011442 is about 55955.4415763114. The cubic root of 3131011442 is about 1462.9457386519.

Adding to 3131011442 its reverse (2441101313), we get a palindrome (5572112755).

The spelling of 3131011442 in words is "three billion, one hundred thirty-one million, eleven thousand, four hundred forty-two".