30120302243031 has 192 divisors, whose sum is σ = 56249805201408. Its totient is φ = 13935753216000.

The previous prime is 30120302243029. The next prime is 30120302243089. The reversal of 30120302243031 is 13034220302103.

It is not a de Polignac number, because 30120302243031 - 2¹ = 30120302243029 is a prime.

It is a super-2 number, since 2×30120302243031² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30120302242992 and 30120302243010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30120302243021) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 345052111 + ... + 345139391.

It is an arithmetic number, because the mean of its divisors is an integer number (292967735424).

Almost surely, 2^{30120302243031} is an apocalyptic number.

30120302243031 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

30120302243031 is a deficient number, since it is larger than the sum of its proper divisors (26129502958377).

30120302243031 is a wasteful number, since it uses less digits than its factorization.

30120302243031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87694 (or 87683 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 30120302243031 its reverse (13034220302103), we get a palindrome (43154522545134).

The spelling of 30120302243031 in words is "thirty trillion, one hundred twenty billion, three hundred two million, two hundred forty-three thousand, thirty-one".