31034412121 has 16 divisors (see below), whose sum is σ = 32242307328. Its totient is φ = 29850393600.

The previous prime is 31034412113. The next prime is 31034412137. The reversal of 31034412121 is 12121443013.

It is a cyclic number.

It is not a de Polignac number, because 31034412121 - 2³ = 31034412113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31034412092 and 31034412101.

It is not an unprimeable number, because it can be changed into a prime (31034412161) 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 15 ways as a sum of consecutive naturals, for example, 1031116 + ... + 1060786.

It is an arithmetic number, because the mean of its divisors is an integer number (2015144208).

Almost surely, 2^31034412121 is an apocalyptic number.

It is an amenable number.

31034412121 is a deficient number, since it is larger than the sum of its proper divisors (1207895207).

31034412121 is a wasteful number, since it uses less digits than its factorization.

31034412121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30072.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 31034412121 its reverse (12121443013), we get a palindrome (43155855134).

The spelling of 31034412121 in words is "thirty-one billion, thirty-four million, four hundred twelve thousand, one hundred twenty-one".