31120030133 has 8 divisors (see below), whose sum is σ = 31855853568. Its totient is φ = 30384756864.

The previous prime is 31120030127. The next prime is 31120030231. The reversal of 31120030133 is 33103002113.

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 31120030133 - 2⁶ = 31120030069 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 (31120030103) 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, 21941 + ... + 250442.

It is an arithmetic number, because the mean of its divisors is an integer number (3981981696).

Almost surely, 2^31120030133 is an apocalyptic number.

It is an amenable number.

31120030133 is a deficient number, since it is larger than the sum of its proper divisors (735823435).

31120030133 is a wasteful number, since it uses less digits than its factorization.

31120030133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275083.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 31120030133 its reverse (33103002113), we get a palindrome (64223032246).

The spelling of 31120030133 in words is "thirty-one billion, one hundred twenty million, thirty thousand, one hundred thirty-three".