31124332030 has 16 divisors (see below), whose sum is σ = 61116870384. Its totient is φ = 11317938880.

The previous prime is 31124331971. The next prime is 31124332039. The reversal of 31124332030 is 3023342113.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 31124331992 and 31124332010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31124332039) 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, 141474127 + ... + 141474346.

It is an arithmetic number, because the mean of its divisors is an integer number (3819804399).

Almost surely, 2^31124332030 is an apocalyptic number.

31124332030 is a deficient number, since it is larger than the sum of its proper divisors (29992538354).

31124332030 is a wasteful number, since it uses less digits than its factorization.

31124332030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282948491.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 31124332030 its reverse (3023342113), we get a palindrome (34147674143).

The spelling of 31124332030 in words is "thirty-one billion, one hundred twenty-four million, three hundred thirty-two thousand, thirty".