3101512225 has 24 divisors (see below), whose sum is σ = 4400843328. Its totient is φ = 2124062400.

The previous prime is 3101512201. The next prime is 3101512231. The reversal of 3101512225 is 5222151013.

It is not a de Polignac number, because 3101512225 - 2¹⁵ = 3101479457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3101512196 and 3101512205.

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, 132882 + ... + 154468.

It is an arithmetic number, because the mean of its divisors is an integer number (183368472).

Almost surely, 2^3101512225 is an apocalyptic number.

3101512225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3101512225 is a deficient number, since it is larger than the sum of its proper divisors (1299331103).

3101512225 is a wasteful number, since it uses less digits than its factorization.

3101512225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22425 (or 22420 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 3101512225 is about 55691.2221539445. Note that the first 3 decimals coincide. The cubic root of 3101512225 is about 1458.3367913569.

Adding to 3101512225 its reverse (5222151013), we get a palindrome (8323663238).

The spelling of 3101512225 in words is "three billion, one hundred one million, five hundred twelve thousand, two hundred twenty-five".