31414442121 has 12 divisors (see below), whose sum is σ = 45474427648. Its totient is φ = 20897725464.

The previous prime is 31414442099. The next prime is 31414442141. The reversal of 31414442121 is 12124441413.

31414442121 is a `hidden beast` number, since 3 + 1 + 4 + 1 + 444 + 212 + 1 = 666.

It is not a de Polignac number, because 31414442121 - 2⁶ = 31414442057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31414442141) 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, 3765265 + ... + 3773598.

Almost surely, 2^31414442121 is an apocalyptic number.

It is an amenable number.

31414442121 is a deficient number, since it is larger than the sum of its proper divisors (14059985527).

31414442121 is a wasteful number, since it uses less digits than its factorization.

31414442121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7539332 (or 7539329 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

Adding to 31414442121 its reverse (12124441413), we get a palindrome (43538883534).

The spelling of 31414442121 in words is "thirty-one billion, four hundred fourteen million, four hundred forty-two thousand, one hundred twenty-one".