21314131054 has 16 divisors (see below), whose sum is σ = 32473701792. Its totient is φ = 10490145408.

The previous prime is 21314131043. The next prime is 21314131079. The reversal of 21314131054 is 45013141312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71679 + ... + 218554.

It is an arithmetic number, because the mean of its divisors is an integer number (2029606362).

Almost surely, 2^21314131054 is an apocalyptic number.

21314131054 is a deficient number, since it is larger than the sum of its proper divisors (11159570738).

21314131054 is a wasteful number, since it uses less digits than its factorization.

21314131054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290811.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 21314131054 its reverse (45013141312), we get a palindrome (66327272366).

The spelling of 21314131054 in words is "twenty-one billion, three hundred fourteen million, one hundred thirty-one thousand, fifty-four".