312140500401530 has 32 divisors (see below), whose sum is σ = 563559166170000. Its totient is φ = 124477152440832.

The previous prime is 312140500401529. The next prime is 312140500401563. The reversal of 312140500401530 is 35104005041213.

It can be written as a sum of positive squares in 8 ways, for example, as 55404516183241 + 256735984218289 = 7443421^2 + 16022983^2 .

It is a junction number, because it is equal to n+sod(n) for n = 312140500401493 and 312140500401502.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12767384 + ... + 28058636.

Almost surely, 2^{312140500401530} is an apocalyptic number.

312140500401530 is a deficient number, since it is larger than the sum of its proper divisors (251418665768470).

312140500401530 is a wasteful number, since it uses less digits than its factorization.

312140500401530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15297458.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 312140500401530 its reverse (35104005041213), we get a palindrome (347244505442743).

The spelling of 312140500401530 in words is "three hundred twelve trillion, one hundred forty billion, five hundred million, four hundred one thousand, five hundred thirty".