31202103114 has 96 divisors (see below), whose sum is σ = 84029871744. Its totient is φ = 8147606400.

The previous prime is 31202103113. The next prime is 31202103133. The reversal of 31202103114 is 41130120213.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31202103113) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 71137 + ... + 259739.

It is an arithmetic number, because the mean of its divisors is an integer number (875311164).

Almost surely, 2^31202103114 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31202103114, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42014935872).

31202103114 is an abundant number, since it is smaller than the sum of its proper divisors (52827768630).

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

31202103114 is a wasteful number, since it uses less digits than its factorization.

31202103114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188732 (or 188729 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 31202103114 its reverse (41130120213), we get a palindrome (72332223327).

The spelling of 31202103114 in words is "thirty-one billion, two hundred two million, one hundred three thousand, one hundred fourteen".