15803230940431 has 16 divisors (see below), whose sum is σ = 17253387348480. Its totient is φ = 14355325895680.

The previous prime is 15803230940429. The next prime is 15803230940461. The reversal of 15803230940431 is 13404903230851.

It is not a de Polignac number, because 15803230940431 - 2¹ = 15803230940429 is a prime.

It is a super-3 number, since 3×15803230940431³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15803230940461) 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, 278752170 + ... + 278808856.

It is an arithmetic number, because the mean of its divisors is an integer number (1078336709280).

Almost surely, 2^{15803230940431} is an apocalyptic number.

15803230940431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

15803230940431 is a deficient number, since it is larger than the sum of its proper divisors (1450156408049).

15803230940431 is a wasteful number, since it uses less digits than its factorization.

15803230940431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76094.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 15803230940431 in words is "fifteen trillion, eight hundred three billion, two hundred thirty million, nine hundred forty thousand, four hundred thirty-one".