3100031424 has 84 divisors (see below), whose sum is σ = 10155076464. Its totient is φ = 885722112.

The previous prime is 3100031423. The next prime is 3100031449. The reversal of 3100031424 is 4241300013.

It is a tau number, because it is divible by the number of its divisors (84).

It is a super-2 number, since 2×3100031424² = 19220389659574935552, which 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 = 3100031397 and 3100031406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3100031423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 380397 + ... + 388460.

Almost surely, 2^3100031424 is an apocalyptic number.

It is an amenable number.

3100031424 is an abundant number, since it is smaller than the sum of its proper divisors (7055045040).

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

3100031424 is a wasteful number, since it uses less digits than its factorization.

3100031424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768882 (or 768869 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3100031424 is about 55677.9258234356. The cubic root of 3100031424 is about 1458.1046626193.

Adding to 3100031424 its reverse (4241300013), we get a palindrome (7341331437).

The spelling of 3100031424 in words is "three billion, one hundred million, thirty-one thousand, four hundred twenty-four".