15312214413 has 12 divisors (see below), whose sum is σ = 22384121760. Its totient is φ = 10085152776.

The previous prime is 15312214409. The next prime is 15312214427. The reversal of 15312214413 is 31441221351.

15312214413 is a `hidden beast` number, since 1 + 5 + 31 + 2 + 214 + 413 = 666.

It is not a de Polignac number, because 15312214413 - 2² = 15312214409 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15312214453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10248393 + ... + 10249886.

It is an arithmetic number, because the mean of its divisors is an integer number (1865343480).

Almost surely, 2^15312214413 is an apocalyptic number.

It is an amenable number.

15312214413 is a deficient number, since it is larger than the sum of its proper divisors (7071907347).

15312214413 is a wasteful number, since it uses less digits than its factorization.

15312214413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20498368 (or 20498365 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

Adding to 15312214413 its reverse (31441221351), we get a palindrome (46753435764).

The spelling of 15312214413 in words is "fifteen billion, three hundred twelve million, two hundred fourteen thousand, four hundred thirteen".