315420210131 has 8 divisors (see below), whose sum is σ = 340892144544. Its totient is φ = 290120967360.

The previous prime is 315420210067. The next prime is 315420210179. The reversal of 315420210131 is 131012024513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 315420210131 - 2⁶ = 315420210067 is a prime.

It is a super-2 number, since 2×315420210131² (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 = 315420210097 and 315420210106.

It is not an unprimeable number, because it can be changed into a prime (315420210191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43169111 + ... + 43176416.

It is an arithmetic number, because the mean of its divisors is an integer number (42611518068).

Almost surely, 2^315420210131 is an apocalyptic number.

315420210131 is a deficient number, since it is larger than the sum of its proper divisors (25471934413).

315420210131 is a wasteful number, since it uses less digits than its factorization.

315420210131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86345821.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 315420210131 its reverse (131012024513), we get a palindrome (446432234644).

The spelling of 315420210131 in words is "three hundred fifteen billion, four hundred twenty million, two hundred ten thousand, one hundred thirty-one".