1215031134324 has 96 divisors (see below), whose sum is σ = 3254373593856. Its totient is φ = 345621381120.

The previous prime is 1215031134323. The next prime is 1215031134353. The reversal of 1215031134324 is 4234311305121.

It is a super-2 number, since 2×1215031134324² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1215031134291 and 1215031134300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1215031134323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138808732 + ... + 138817484.

It is an arithmetic number, because the mean of its divisors is an integer number (33899724936).

Almost surely, 2^{1215031134324} is an apocalyptic number.

1215031134324 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1215031134324 is an abundant number, since it is smaller than the sum of its proper divisors (2039342459532).

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

1215031134324 is a wasteful number, since it uses less digits than its factorization.

1215031134324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15865 (or 15863 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 1215031134324 its reverse (4234311305121), we get a palindrome (5449342439445).

The spelling of 1215031134324 in words is "one trillion, two hundred fifteen billion, thirty-one million, one hundred thirty-four thousand, three hundred twenty-four".