2042921454231 has 32 divisors (see below), whose sum is σ = 3124307635200. Its totient is φ = 1163157465600.

The previous prime is 2042921454151. The next prime is 2042921454307. The reversal of 2042921454231 is 1324541292402.

It is not a de Polignac number, because 2042921454231 - 2¹¹ = 2042921452183 is a prime.

It is a super-2 number, since 2×2042921454231² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2042921454231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042921404231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8941525 + ... + 9167153.

It is an arithmetic number, because the mean of its divisors is an integer number (97634613600).

Almost surely, 2^{2042921454231} is an apocalyptic number.

2042921454231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2042921454231 is a deficient number, since it is larger than the sum of its proper divisors (1081386180969).

2042921454231 is a wasteful number, since it uses less digits than its factorization.

2042921454231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227199.

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 2042921454231 in words is "two trillion, forty-two billion, nine hundred twenty-one million, four hundred fifty-four thousand, two hundred thirty-one".