315012363261 has 24 divisors (see below), whose sum is σ = 439145634816. Its totient is φ = 200843786880.

The previous prime is 315012363233. The next prime is 315012363313. The reversal of 315012363261 is 162363210513.

It is not a de Polignac number, because 315012363261 - 2¹³ = 315012355069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315012363361) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12354756 + ... + 12380226.

It is an arithmetic number, because the mean of its divisors is an integer number (18297734784).

Almost surely, 2^315012363261 is an apocalyptic number.

It is an amenable number.

315012363261 is a deficient number, since it is larger than the sum of its proper divisors (124133271555).

315012363261 is a wasteful number, since it uses less digits than its factorization.

315012363261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33313 (or 33290 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

Adding to 315012363261 its reverse (162363210513), we get a palindrome (477375573774).

The spelling of 315012363261 in words is "three hundred fifteen billion, twelve million, three hundred sixty-three thousand, two hundred sixty-one".