31301130102 has 16 divisors (see below), whose sum is σ = 68293374912. Its totient is φ = 9485190920.

The previous prime is 31301130083. The next prime is 31301130103. The reversal of 31301130102 is 20103110313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31301130103) 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, 237129708 + ... + 237129839.

It is an arithmetic number, because the mean of its divisors is an integer number (4268335932).

Almost surely, 2^31301130102 is an apocalyptic number.

31301130102 is an abundant number, since it is smaller than the sum of its proper divisors (36992244810).

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

31301130102 is a wasteful number, since it uses less digits than its factorization.

31301130102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474259563.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 31301130102 its reverse (20103110313), we get a palindrome (51404240415).

The spelling of 31301130102 in words is "thirty-one billion, three hundred one million, one hundred thirty thousand, one hundred two".