312303203135 has 64 divisors (see below), whose sum is σ = 496848328704. Its totient is φ = 182443315200.

The previous prime is 312303203123. The next prime is 312303203143. The reversal of 312303203135 is 531302303213.

It is not a de Polignac number, because 312303203135 - 2¹⁶ = 312303137599 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1422590 + ... + 1627380.

It is an arithmetic number, because the mean of its divisors is an integer number (7763255136).

Almost surely, 2^312303203135 is an apocalyptic number.

312303203135 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

312303203135 is a deficient number, since it is larger than the sum of its proper divisors (184545125569).

312303203135 is a wasteful number, since it uses less digits than its factorization.

312303203135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205064.

The product of its (nonzero) digits is 4860, while the sum is 26.

Adding to 312303203135 its reverse (531302303213), we get a palindrome (843605506348).

The spelling of 312303203135 in words is "three hundred twelve billion, three hundred three million, two hundred three thousand, one hundred thirty-five".