31305300102 has 48 divisors (see below), whose sum is σ = 68967774720. Its totient is φ = 10261230336.

The previous prime is 31305300083. The next prime is 31305300107. The reversal of 31305300102 is 20100350313.

31305300102 is a `hidden beast` number, since 3 + 1 + 30 + 530 + 0 + 102 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31305300107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 197724 + ... + 318912.

It is an arithmetic number, because the mean of its divisors is an integer number (1436828640).

Almost surely, 2^31305300102 is an apocalyptic number.

31305300102 is an abundant number, since it is smaller than the sum of its proper divisors (37662474618).

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

31305300102 is a wasteful number, since it uses less digits than its factorization.

31305300102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121437 (or 121434 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

Adding to 31305300102 its reverse (20100350313), we get a palindrome (51405650415).

The spelling of 31305300102 in words is "thirty-one billion, three hundred five million, three hundred thousand, one hundred two".