30140311302 has 32 divisors (see below), whose sum is σ = 67379558400. Its totient is φ = 9986607144.

The previous prime is 30140311301. The next prime is 30140311303. The reversal of 30140311302 is 20311304103.

It is an interprime number because it is at equal distance from previous prime (30140311301) and next prime (30140311303).

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 (30140311301) 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, 1662102 + ... + 1680137.

It is an arithmetic number, because the mean of its divisors is an integer number (2105611200).

Almost surely, 2^30140311302 is an apocalyptic number.

30140311302 is an abundant number, since it is smaller than the sum of its proper divisors (37239247098).

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

30140311302 is a wasteful number, since it uses less digits than its factorization.

30140311302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3342417 (or 3342411 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30140311302 its reverse (20311304103), we get a palindrome (50451615405).

The spelling of 30140311302 in words is "thirty billion, one hundred forty million, three hundred eleven thousand, three hundred two".