31124012233 has 16 divisors (see below), whose sum is σ = 35013539520. Its totient is φ = 27492051456.

The previous prime is 31124012201. The next prime is 31124012243. The reversal of 31124012233 is 33221042113.

It is a cyclic number.

It is not a de Polignac number, because 31124012233 - 2⁵ = 31124012201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31124012243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 415716 + ... + 484837.

It is an arithmetic number, because the mean of its divisors is an integer number (2188346220).

Almost surely, 2^31124012233 is an apocalyptic number.

It is an amenable number.

31124012233 is a deficient number, since it is larger than the sum of its proper divisors (3889527287).

31124012233 is a wasteful number, since it uses less digits than its factorization.

31124012233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900696.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 31124012233 its reverse (33221042113), we get a palindrome (64345054346).

The spelling of 31124012233 in words is "thirty-one billion, one hundred twenty-four million, twelve thousand, two hundred thirty-three".