3131043040 has 24 divisors (see below), whose sum is σ = 7397089560. Its totient is φ = 1252417152.

The previous prime is 3131043011. The next prime is 3131043089. The reversal of 3131043040 is 403401313.

It is a junction number, because it is equal to n+sod(n) for n = 3131042999 and 3131043017.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 9784350 + ... + 9784669.

It is an arithmetic number, because the mean of its divisors is an integer number (308212065).

Almost surely, 2^3131043040 is an apocalyptic number.

It is an amenable number.

3131043040 is an abundant number, since it is smaller than the sum of its proper divisors (4266046520).

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

3131043040 is a wasteful number, since it uses less digits than its factorization.

3131043040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19569034 (or 19569026 counting only the distinct ones).

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

The square root of 3131043040 is about 55955.7239252608. The cubic root of 3131043040 is about 1462.9506599587.

Adding to 3131043040 its reverse (403401313), we get a palindrome (3534444353).

The spelling of 3131043040 in words is "three billion, one hundred thirty-one million, forty-three thousand, forty".