31111013006 has 32 divisors (see below), whose sum is σ = 47563504128. Its totient is φ = 15259596480.

The previous prime is 31111012981. The next prime is 31111013029. The reversal of 31111013006 is 60031011113.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 15609146 + ... + 15611138.

It is an arithmetic number, because the mean of its divisors is an integer number (1486359504).

Almost surely, 2^31111013006 is an apocalyptic number.

31111013006 is a deficient number, since it is larger than the sum of its proper divisors (16452491122).

31111013006 is a wasteful number, since it uses less digits than its factorization.

31111013006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2696.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 31111013006 its reverse (60031011113), we get a palindrome (91142024119).

The spelling of 31111013006 in words is "thirty-one billion, one hundred eleven million, thirteen thousand, six".