3145504131 has 64 divisors (see below), whose sum is σ = 6115737600. Its totient is φ = 1548007200.

The previous prime is 3145504099. The next prime is 3145504147. The reversal of 3145504131 is 1314055413.

It is a happy number.

3145504131 is a `hidden beast` number, since 3 + 145 + 504 + 13 + 1 = 666.

It is not a de Polignac number, because 3145504131 - 2⁵ = 3145504099 is a prime.

It is a super-2 number, since 2×3145504131² = 19788392476276130322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 3145504095 and 3145504104.

It is not an unprimeable number, because it can be changed into a prime (3145504031) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 315 + ... + 79316.

It is an arithmetic number, because the mean of its divisors is an integer number (95558400).

Almost surely, 2^3145504131 is an apocalyptic number.

3145504131 is a deficient number, since it is larger than the sum of its proper divisors (2970233469).

3145504131 is a wasteful number, since it uses less digits than its factorization.

3145504131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79677 (or 79671 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 3145504131 is about 56084.7941156959. The cubic root of 3145504131 is about 1465.1994713385.

Adding to 3145504131 its reverse (1314055413), we get a palindrome (4459559544).

The spelling of 3145504131 in words is "three billion, one hundred forty-five million, five hundred four thousand, one hundred thirty-one".