21413131140 has 48 divisors (see below), whose sum is σ = 59968016640. Its totient is φ = 5709096960.

The previous prime is 21413131127. The next prime is 21413131153. The reversal of 21413131140 is 4113131412.

It is an interprime number because it is at equal distance from previous prime (21413131127) and next prime (21413131153).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319780 + ... + 380900.

It is an arithmetic number, because the mean of its divisors is an integer number (1249333680).

Almost surely, 2^21413131140 is an apocalyptic number.

21413131140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21413131140 is an abundant number, since it is smaller than the sum of its proper divisors (38554885500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21413131140 is a wasteful number, since it uses less digits than its factorization.

21413131140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66972 (or 66970 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 21413131140 its reverse (4113131412), we get a palindrome (25526262552).

The spelling of 21413131140 in words is "twenty-one billion, four hundred thirteen million, one hundred thirty-one thousand, one hundred forty".