315301020231 has 4 divisors (see below), whose sum is σ = 420401360312. Its totient is φ = 210200680152.

The previous prime is 315301020197. The next prime is 315301020271. The reversal of 315301020231 is 132020103513.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 315301020231 - 2¹⁰ = 315301019207 is a prime.

It is a super-2 number, since 2×315301020231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 315301020198 and 315301020207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315301020271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52550170036 + ... + 52550170041.

It is an arithmetic number, because the mean of its divisors is an integer number (105100340078).

Almost surely, 2^315301020231 is an apocalyptic number.

315301020231 is a deficient number, since it is larger than the sum of its proper divisors (105100340081).

315301020231 is a wasteful number, since it uses less digits than its factorization.

315301020231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105100340080.

The product of its (nonzero) digits is 540, while the sum is 21.

Adding to 315301020231 its reverse (132020103513), we get a palindrome (447321123744).

The spelling of 315301020231 in words is "three hundred fifteen billion, three hundred one million, twenty thousand, two hundred thirty-one".