3145245531 has 16 divisors (see below), whose sum is σ = 4445103744. Its totient is φ = 1971373184.

The previous prime is 3145245517. The next prime is 3145245533. The reversal of 3145245531 is 1355425413.

It is a cyclic number.

It is not a de Polignac number, because 3145245531 - 2¹¹ = 3145243483 is a prime.

It is a super-2 number, since 2×3145245531² = 19785138900550943922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3145245492 and 3145245501.

It is not an unprimeable number, because it can be changed into a prime (3145245533) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 15736 + ... + 80858.

It is an arithmetic number, because the mean of its divisors is an integer number (277818984).

Almost surely, 2^3145245531 is an apocalyptic number.

3145245531 is a deficient number, since it is larger than the sum of its proper divisors (1299858213).

3145245531 is a wasteful number, since it uses less digits than its factorization.

3145245531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66090.

The product of its digits is 36000, while the sum is 33.

The square root of 3145245531 is about 56082.4886305877. The cubic root of 3145245531 is about 1465.1593176300.

The spelling of 3145245531 in words is "three billion, one hundred forty-five million, two hundred forty-five thousand, five hundred thirty-one".