31010031324 has 18 divisors (see below), whose sum is σ = 78386468160. Its totient is φ = 10336677096.

The previous prime is 31010031319. The next prime is 31010031329. The reversal of 31010031324 is 42313001013.

31010031324 is a `hidden beast` number, since 310 + 1 + 0 + 0 + 31 + 324 = 666.

It is an interprime number because it is at equal distance from previous prime (31010031319) and next prime (31010031329).

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×31010031324² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 31010031297 and 31010031306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31010031329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 430694844 + ... + 430694915.

Almost surely, 2^31010031324 is an apocalyptic number.

It is an amenable number.

31010031324 is an abundant number, since it is smaller than the sum of its proper divisors (47376436836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31010031324 is a wasteful number, since it uses less digits than its factorization.

31010031324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861389769 (or 861389764 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 31010031324 its reverse (42313001013), we get a palindrome (73323032337).

The spelling of 31010031324 in words is "thirty-one billion, ten million, thirty-one thousand, three hundred twenty-four".