312469130 has 16 divisors (see below), whose sum is σ = 562907880. Its totient is φ = 124884672.

The previous prime is 312469111. The next prime is 312469139. The reversal of 312469130 is 31964213.

It can be written as a sum of positive squares in 4 ways, for example, as 218359729 + 94109401 = 14777^2 + 9701^2 .

It is a junction number, because it is equal to n+sod(n) for n = 312469093 and 312469102.

It is not an unprimeable number, because it can be changed into a prime (312469139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536 + ... + 25004.

Almost surely, 2^312469130 is an apocalyptic number.

312469130 is a deficient number, since it is larger than the sum of its proper divisors (250438750).

312469130 is a wasteful number, since it uses less digits than its factorization.

312469130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25753.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 312469130 is about 17676.7963726463. The cubic root of 312469130 is about 678.5820583271.

The spelling of 312469130 in words is "three hundred twelve million, four hundred sixty-nine thousand, one hundred thirty".