312532442 has 8 divisors (see below), whose sum is σ = 469946100. Its totient is φ = 155883744.

The previous prime is 312532439. The next prime is 312532459. The reversal of 312532442 is 244235213.

It can be written as a sum of positive squares in 2 ways, for example, as 231009601 + 81522841 = 15199^2 + 9029^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190217 + ... + 191852.

Almost surely, 2^312532442 is an apocalyptic number.

312532442 is a deficient number, since it is larger than the sum of its proper divisors (157413658).

312532442 is a wasteful number, since it uses less digits than its factorization.

312532442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382480.

The product of its digits is 5760, while the sum is 26.

The square root of 312532442 is about 17678.5871041778. The cubic root of 312532442 is about 678.6278863058.

Adding to 312532442 its reverse (244235213), we get a palindrome (556767655).

The spelling of 312532442 in words is "three hundred twelve million, five hundred thirty-two thousand, four hundred forty-two".