31030300302132 has 48 divisors (see below), whose sum is σ = 73116021809600. Its totient is φ = 10241844871680.

The previous prime is 31030300302119. The next prime is 31030300302137. The reversal of 31030300302132 is 23120300303013.

It is a junction number, because it is equal to n+sod(n) for n = 31030300302099 and 31030300302108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31030300302137) 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, 5745157 + ... + 9750252.

Almost surely, 2^{31030300302132} is an apocalyptic number.

It is an amenable number.

31030300302132 is an abundant number, since it is smaller than the sum of its proper divisors (42085721507468).

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

31030300302132 is a wasteful number, since it uses less digits than its factorization.

31030300302132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15497056 (or 15497054 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 31030300302132 its reverse (23120300303013), we get a palindrome (54150600605145).

The spelling of 31030300302132 in words is "thirty-one trillion, thirty billion, three hundred million, three hundred two thousand, one hundred thirty-two".