21031001413392 has 40 divisors (see below), whose sum is σ = 56082670439680. Its totient is φ = 6784194003840.

The previous prime is 21031001413337. The next prime is 21031001413393. The reversal of 21031001413392 is 29331410013012.

It is not an unprimeable number, because it can be changed into a prime (21031001413393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7066867267 + ... + 7066870242.

It is an arithmetic number, because the mean of its divisors is an integer number (1402066760992).

Almost surely, 2^{21031001413392} is an apocalyptic number.

It is an amenable number.

21031001413392 is an abundant number, since it is smaller than the sum of its proper divisors (35051669026288).

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

21031001413392 is a wasteful number, since it uses less digits than its factorization.

21031001413392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14133737551 (or 14133737545 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The spelling of 21031001413392 in words is "twenty-one trillion, thirty-one billion, one million, four hundred thirteen thousand, three hundred ninety-two".