31203042041421 has 12 divisors (see below), whose sum is σ = 45116911258848. Its totient is φ = 20780866243464.

The previous prime is 31203042041407. The next prime is 31203042041441. The reversal of 31203042041421 is 12414024030213.

31203042041421 is a `hidden beast` number, since 3 + 1 + 2 + 0 + 30 + 4 + 204 + 1 + 421 = 666.

It is not a de Polignac number, because 31203042041421 - 2⁵ = 31203042041389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31203042041441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1763472675 + ... + 1763490368.

It is an arithmetic number, because the mean of its divisors is an integer number (3759742604904).

Almost surely, 2^{31203042041421} is an apocalyptic number.

It is an amenable number.

31203042041421 is a deficient number, since it is larger than the sum of its proper divisors (13913869217427).

31203042041421 is a wasteful number, since it uses less digits than its factorization.

31203042041421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3526964032 (or 3526964029 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 31203042041421 its reverse (12414024030213), we get a palindrome (43617066071634).

The spelling of 31203042041421 in words is "thirty-one trillion, two hundred three billion, forty-two million, forty-one thousand, four hundred twenty-one".