3131540045 has 8 divisors (see below), whose sum is σ = 3921232896. Its totient is φ = 2396308816.

The previous prime is 3131540021. The next prime is 3131540053. The reversal of 3131540045 is 5400451313.

3131540045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3131540045 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3131539996 and 3131540023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13615277 + ... + 13615506.

It is an arithmetic number, because the mean of its divisors is an integer number (490154112).

Almost surely, 2^3131540045 is an apocalyptic number.

It is an amenable number.

3131540045 is a deficient number, since it is larger than the sum of its proper divisors (789692851).

3131540045 is a wasteful number, since it uses less digits than its factorization.

3131540045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27230811.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 3131540045 is about 55960.1648049753. The cubic root of 3131540045 is about 1463.0280628470.

Adding to 3131540045 its reverse (5400451313), we get a palindrome (8531991358).

The spelling of 3131540045 in words is "three billion, one hundred thirty-one million, five hundred forty thousand, forty-five".