2131106242 has 24 divisors (see below), whose sum is σ = 3354651324. Its totient is φ = 1014617952.

The previous prime is 2131106231. The next prime is 2131106287. The reversal of 2131106242 is 2426011312.

It can be written as a sum of positive squares in 2 ways, for example, as 1922910201 + 208196041 = 43851^2 + 14429^2 .

It is a super-2 number, since 2×2131106242² = 9083227629382725128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156948 + ... + 169984.

Almost surely, 2^2131106242 is an apocalyptic number.

2131106242 is a deficient number, since it is larger than the sum of its proper divisors (1223545082).

2131106242 is a wasteful number, since it uses less digits than its factorization.

2131106242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13170 (or 13123 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2131106242 is about 46163.9062688590. The cubic root of 2131106242 is about 1286.8710582826.

Adding to 2131106242 its reverse (2426011312), we get a palindrome (4557117554).

The spelling of 2131106242 in words is "two billion, one hundred thirty-one million, one hundred six thousand, two hundred forty-two".