312532434 has 12 divisors (see below), whose sum is σ = 677153646. Its totient is φ = 104177472.

The previous prime is 312532411. The next prime is 312532439. The reversal of 312532434 is 434235213.

It can be written as a sum of positive squares in only one way, i.e., 216001809 + 96530625 = 14697^2 + 9825^2 .

It is a junction number, because it is equal to n+sod(n) for n = 312532398 and 312532407.

It is not an unprimeable number, because it can be changed into a prime (312532439) 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, 8681439 + ... + 8681474.

Almost surely, 2^312532434 is an apocalyptic number.

312532434 is an abundant number, since it is smaller than the sum of its proper divisors (364621212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312532434 is a wasteful number, since it uses less digits than its factorization.

312532434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17362921 (or 17362918 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 312532434 is about 17678.5868779153. The cubic root of 312532434 is about 678.6278805155.

Adding to 312532434 its reverse (434235213), we get a palindrome (746767647).

The spelling of 312532434 in words is "three hundred twelve million, five hundred thirty-two thousand, four hundred thirty-four".