31010111042 has 8 divisors (see below), whose sum is σ = 46565239500. Its totient is φ = 15488364544.

The previous prime is 31010111023. The next prime is 31010111051. The reversal of 31010111042 is 24011101013.

It can be written as a sum of positive squares in 2 ways, for example, as 30814642681 + 195468361 = 175541^2 + 13981^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8343167 + ... + 8346882.

Almost surely, 2^31010111042 is an apocalyptic number.

31010111042 is a deficient number, since it is larger than the sum of its proper divisors (15555128458).

31010111042 is a wasteful number, since it uses less digits than its factorization.

31010111042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16690980.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 31010111042 its reverse (24011101013), we get a palindrome (55021212055).

The spelling of 31010111042 in words is "thirty-one billion, ten million, one hundred eleven thousand, forty-two".