303112131203113 has 6 divisors (see below), whose sum is σ = 321991087472126. Its totient is φ = 285282005837952.

The previous prime is 303112131203107. The next prime is 303112131203131. The reversal of 303112131203113 is 311302131211303.

It can be written as a sum of positive squares in 3 ways, for example, as 221485026111129 + 81627105091984 = 14882373^2 + 9034772^2 .

It is not a de Polignac number, because 303112131203113 - 2¹⁷ = 303112131072041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (303112131203173) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 524415451620 + ... + 524415452197.

Almost surely, 2^{303112131203113} is an apocalyptic number.

It is an amenable number.

303112131203113 is a deficient number, since it is larger than the sum of its proper divisors (18878956269013).

303112131203113 is a wasteful number, since it uses less digits than its factorization.

303112131203113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048830903851 (or 1048830903834 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 303112131203113 its reverse (311302131211303), we get a palindrome (614414262414416).

The spelling of 303112131203113 in words is "three hundred three trillion, one hundred twelve billion, one hundred thirty-one million, two hundred three thousand, one hundred thirteen".