312303400145 has 16 divisors (see below), whose sum is σ = 408846270528. Its totient is φ = 227122674240.

The previous prime is 312303400103. The next prime is 312303400147. The reversal of 312303400145 is 541004303213.

It is not a de Polignac number, because 312303400145 - 2²⁶ = 312236291281 is a prime.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 2252987 + ... + 2387583.

It is an arithmetic number, because the mean of its divisors is an integer number (25552891908).

Almost surely, 2^312303400145 is an apocalyptic number.

It is an amenable number.

312303400145 is a deficient number, since it is larger than the sum of its proper divisors (96542870383).

312303400145 is a wasteful number, since it uses less digits than its factorization.

312303400145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176800.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 312303400145 its reverse (541004303213), we get a palindrome (853307703358).

The spelling of 312303400145 in words is "three hundred twelve billion, three hundred three million, four hundred thousand, one hundred forty-five".