31112111046 has 32 divisors (see below), whose sum is σ = 63094975200. Its totient is φ = 10225661184.

The previous prime is 31112111029. The next prime is 31112111047. The reversal of 31112111046 is 64011121113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31112111047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1896696 + ... + 1913028.

It is an arithmetic number, because the mean of its divisors is an integer number (1971717975).

Almost surely, 2^31112111046 is an apocalyptic number.

31112111046 is an abundant number, since it is smaller than the sum of its proper divisors (31982864154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31112111046 is a wasteful number, since it uses less digits than its factorization.

31112111046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20760.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 31112111046 its reverse (64011121113), we get a palindrome (95123232159).

The spelling of 31112111046 in words is "thirty-one billion, one hundred twelve million, one hundred eleven thousand, forty-six".