3101030040 has 64 divisors (see below), whose sum is σ = 9311268960. Its totient is φ = 826214400.

The previous prime is 3101030021. The next prime is 3101030047. The reversal of 3101030040 is 400301013.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 3101029998 and 3101030025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3101030047) 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, 133362 + ... + 154878.

Almost surely, 2^3101030040 is an apocalyptic number.

3101030040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3101030040 is an abundant number, since it is smaller than the sum of its proper divisors (6210238920).

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

3101030040 is a wasteful number, since it uses less digits than its factorization.

3101030040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22732 (or 22728 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 3101030040 is about 55686.8928923135. The cubic root of 3101030040 is about 1458.2612126801.

Adding to 3101030040 its reverse (400301013), we get a palindrome (3501331053).

The spelling of 3101030040 in words is "three billion, one hundred one million, thirty thousand, forty".