312303400144 has 40 divisors (see below), whose sum is σ = 612500609952. Its totient is φ = 154239480960.

The previous prime is 312303400103. The next prime is 312303400147. The reversal of 312303400144 is 441004303213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312303400147) 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, 7526334 + ... + 7567714.

Almost surely, 2^312303400144 is an apocalyptic number.

It is an amenable number.

312303400144 is a deficient number, since it is larger than the sum of its proper divisors (300197209808).

312303400144 is a wasteful number, since it uses less digits than its factorization.

312303400144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47155 (or 47149 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 312303400144 its reverse (441004303213), we get a palindrome (753307703357).

The spelling of 312303400144 in words is "three hundred twelve billion, three hundred three million, four hundred thousand, one hundred forty-four".