3151320025 has 24 divisors (see below), whose sum is σ = 4471928064. Its totient is φ = 2157974400.

The previous prime is 3151319989. The next prime is 3151320043. The reversal of 3151320025 is 5200231513.

It is not a de Polignac number, because 3151320025 - 2²⁵ = 3117765593 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3151319978 and 3151320005.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121344 + ... + 145006.

It is an arithmetic number, because the mean of its divisors is an integer number (186330336).

Almost surely, 2^3151320025 is an apocalyptic number.

3151320025 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3151320025 is a deficient number, since it is larger than the sum of its proper divisors (1320608039).

3151320025 is a wasteful number, since it uses less digits than its factorization.

3151320025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24441 (or 24436 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 3151320025 is about 56136.6192872353. The cubic root of 3151320025 is about 1466.1019444055.

Adding to 3151320025 its reverse (5200231513), we get a palindrome (8351551538).

The spelling of 3151320025 in words is "three billion, one hundred fifty-one million, three hundred twenty thousand, twenty-five".