15312030130334 has 32 divisors (see below), whose sum is σ = 26272042433280. Its totient is φ = 6556588795008.

The previous prime is 15312030130297. The next prime is 15312030130339. The reversal of 15312030130334 is 43303103021351.

It is a junction number, because it is equal to n+sod(n) for n = 15312030130297 and 15312030130306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15312030130339) 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, 88107494 + ... + 88281110.

It is an arithmetic number, because the mean of its divisors is an integer number (821001326040).

Almost surely, 2^{15312030130334} is an apocalyptic number.

15312030130334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

15312030130334 is a deficient number, since it is larger than the sum of its proper divisors (10960012302946).

15312030130334 is a wasteful number, since it uses less digits than its factorization.

15312030130334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179072.

The product of its (nonzero) digits is 9720, while the sum is 29.

Adding to 15312030130334 its reverse (43303103021351), we get a palindrome (58615133151685).

The spelling of 15312030130334 in words is "fifteen trillion, three hundred twelve billion, thirty million, one hundred thirty thousand, three hundred thirty-four".