31121003111129 has 8 divisors (see below), whose sum is σ = 31900396674048. Its totient is φ = 30342578343840.

The previous prime is 31121003111113. The next prime is 31121003111189. The reversal of 31121003111129 is 92111130012113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31121003111129 - 2⁴ = 31121003111113 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31121003111098 and 31121003111107.

It is not an unprimeable number, because it can be changed into a prime (31121003111189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242133857 + ... + 242262350.

It is an arithmetic number, because the mean of its divisors is an integer number (3987549584256).

Almost surely, 2^{31121003111129} is an apocalyptic number.

It is an amenable number.

31121003111129 is a deficient number, since it is larger than the sum of its proper divisors (779393562919).

31121003111129 is a wasteful number, since it uses less digits than its factorization.

31121003111129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484397815.

The product of its (nonzero) digits is 324, while the sum is 26.

The spelling of 31121003111129 in words is "thirty-one trillion, one hundred twenty-one billion, three million, one hundred eleven thousand, one hundred twenty-nine".