15031041421 has 16 divisors (see below), whose sum is σ = 16641773568. Its totient is φ = 13461465600.

The previous prime is 15031041409. The next prime is 15031041427. The reversal of 15031041421 is 12414013051.

It is not a de Polignac number, because 15031041421 - 2¹⁵ = 15031008653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15031041392 and 15031041401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15031041427) 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, 696820 + ... + 718066.

It is an arithmetic number, because the mean of its divisors is an integer number (1040110848).

Almost surely, 2^15031041421 is an apocalyptic number.

15031041421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

15031041421 is a deficient number, since it is larger than the sum of its proper divisors (1610732147).

15031041421 is a wasteful number, since it uses less digits than its factorization.

15031041421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22212.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 15031041421 its reverse (12414013051), we get a palindrome (27445054472).

The spelling of 15031041421 in words is "fifteen billion, thirty-one million, forty-one thousand, four hundred twenty-one".