31122043030 has 32 divisors (see below), whose sum is σ = 60862796064. Its totient is φ = 11389518336.

The previous prime is 31122042983. The next prime is 31122043033. The reversal of 31122043030 is 3034022113.

It is a super-2 number, since 2×31122043030² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31122042989 and 31122043007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31122043033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1044604 + ... + 1073983.

It is an arithmetic number, because the mean of its divisors is an integer number (1901962377).

Almost surely, 2^31122043030 is an apocalyptic number.

31122043030 is a deficient number, since it is larger than the sum of its proper divisors (29740753034).

31122043030 is a wasteful number, since it uses less digits than its factorization.

31122043030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2118720.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 31122043030 its reverse (3034022113), we get a palindrome (34156065143).

The spelling of 31122043030 in words is "thirty-one billion, one hundred twenty-two million, forty-three thousand, thirty".