31434041421 has 24 divisors (see below), whose sum is σ = 45713507840. Its totient is φ = 20813949216.

The previous prime is 31434041381. The next prime is 31434041459. The reversal of 31434041421 is 12414043413.

31434041421 is a `hidden beast` number, since 314 + 340 + 4 + 1 + 4 + 2 + 1 = 666.

It is not a de Polignac number, because 31434041421 - 2⁶ = 31434041357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31434041491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 863235 + ... + 898911.

Almost surely, 2^31434041421 is an apocalyptic number.

It is an amenable number.

31434041421 is a deficient number, since it is larger than the sum of its proper divisors (14279466419).

31434041421 is a wasteful number, since it uses less digits than its factorization.

31434041421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36345 (or 36342 counting only the distinct ones).

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

Adding to 31434041421 its reverse (12414043413), we get a palindrome (43848084834).

The spelling of 31434041421 in words is "thirty-one billion, four hundred thirty-four million, forty-one thousand, four hundred twenty-one".