31010112102 has 16 divisors (see below), whose sum is σ = 62039759472. Its totient is φ = 10333448160.

The previous prime is 31010112101. The next prime is 31010112121. The reversal of 31010112102 is 20121101013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31010112101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 793293 + ... + 831464.

It is an arithmetic number, because the mean of its divisors is an integer number (3877484967).

Almost surely, 2^31010112102 is an apocalyptic number.

31010112102 is an abundant number, since it is smaller than the sum of its proper divisors (31029647370).

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

31010112102 is a wasteful number, since it uses less digits than its factorization.

31010112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627943.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 31010112102 its reverse (20121101013), we get a palindrome (51131213115).

The spelling of 31010112102 in words is "thirty-one billion, ten million, one hundred twelve thousand, one hundred two".