30403431120312 has 64 divisors (see below), whose sum is σ = 84515130381600. Its totient is φ = 10127138434560.

The previous prime is 30403431120233. The next prime is 30403431120319. The reversal of 30403431120312 is 21302113430403.

It is a happy number.

30403431120312 is a `hidden beast` number, since 3 + 0 + 4 + 0 + 34 + 311 + 2 + 0 + 312 = 666.

It is a super-3 number, since 3×30403431120312³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30403431120319) 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, 50663553 + ... + 51260144.

Almost surely, 2^{30403431120312} is an apocalyptic number.

It is an amenable number.

30403431120312 is an abundant number, since it is smaller than the sum of its proper divisors (54111699261288).

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

30403431120312 is a wasteful number, since it uses less digits than its factorization.

30403431120312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101925093 (or 101925083 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 30403431120312 its reverse (21302113430403), we get a palindrome (51705544550715).

The spelling of 30403431120312 in words is "thirty trillion, four hundred three billion, four hundred thirty-one million, one hundred twenty thousand, three hundred twelve".