312025113 has 6 divisors (see below), whose sum is σ = 450702954. Its totient is φ = 208016736.

The previous prime is 312025111. The next prime is 312025127. The reversal of 312025113 is 311520213.

It can be written as a sum of positive squares in only one way, i.e., 224190729 + 87834384 = 14973^2 + 9372^2 .

It is not a de Polignac number, because 312025113 - 2¹ = 312025111 is a prime.

It is a super-2 number, since 2×312025113² = 194719342285325538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (312025111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17334720 + ... + 17334737.

It is an arithmetic number, because the mean of its divisors is an integer number (75117159).

Almost surely, 2^312025113 is an apocalyptic number.

It is an amenable number.

312025113 is a deficient number, since it is larger than the sum of its proper divisors (138677841).

312025113 is a wasteful number, since it uses less digits than its factorization.

312025113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34669463 (or 34669460 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 312025113 is about 17664.2325901806. The cubic root of 312025113 is about 678.2604854422.

Adding to 312025113 its reverse (311520213), we get a palindrome (623545326).

It can be divided in two parts, 31202 and 5113, that added together give a triangular number (36315 = T₂₆₉).

The spelling of 312025113 in words is "three hundred twelve million, twenty-five thousand, one hundred thirteen".