15313421481 has 16 divisors (see below), whose sum is σ = 20707371456. Its totient is φ = 10064342016.

The previous prime is 15313421479. The next prime is 15313421489. The reversal of 15313421481 is 18412431351.

It is not a de Polignac number, because 15313421481 - 2¹ = 15313421479 is a prime.

It is a super-2 number, since 2×15313421481² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (15313421489) 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, 482406 + ... + 513168.

It is an arithmetic number, because the mean of its divisors is an integer number (1294210716).

Almost surely, 2^15313421481 is an apocalyptic number.

It is an amenable number.

15313421481 is a deficient number, since it is larger than the sum of its proper divisors (5393949975).

15313421481 is a wasteful number, since it uses less digits than its factorization.

15313421481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33112.

The product of its digits is 11520, while the sum is 33.

The spelling of 15313421481 in words is "fifteen billion, three hundred thirteen million, four hundred twenty-one thousand, four hundred eighty-one".