2031101242 has 4 divisors (see below), whose sum is σ = 3046651866. Its totient is φ = 1015550620.

The previous prime is 2031101239. The next prime is 2031101269. The reversal of 2031101242 is 2421011302.

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

It can be written as a sum of positive squares in only one way, i.e., 1991926161 + 39175081 = 44631^2 + 6259^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507775309 + ... + 507775312.

Almost surely, 2^2031101242 is an apocalyptic number.

2031101242 is a deficient number, since it is larger than the sum of its proper divisors (1015550624).

2031101242 is a wasteful number, since it uses less digits than its factorization.

2031101242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015550623.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2031101242 is about 45067.7405912477. The cubic root of 2031101242 is about 1266.4183380068.

Adding to 2031101242 its reverse (2421011302), we get a palindrome (4452112544).

The spelling of 2031101242 in words is "two billion, thirty-one million, one hundred one thousand, two hundred forty-two".