315152241461 has 4 divisors (see below), whose sum is σ = 316973930892. Its totient is φ = 313330552032.

The previous prime is 315152241449. The next prime is 315152241497. The reversal of 315152241461 is 164142251513.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 224728143025 + 90424098436 = 474055^2 + 300706^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315152241461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315152241421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 910844456 + ... + 910844801.

It is an arithmetic number, because the mean of its divisors is an integer number (79243482723).

Almost surely, 2^315152241461 is an apocalyptic number.

It is an amenable number.

315152241461 is a deficient number, since it is larger than the sum of its proper divisors (1821689431).

315152241461 is a wasteful number, since it uses less digits than its factorization.

315152241461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821689430.

The product of its digits is 28800, while the sum is 35.

Adding to 315152241461 its reverse (164142251513), we get a palindrome (479294492974).

The spelling of 315152241461 in words is "three hundred fifteen billion, one hundred fifty-two million, two hundred forty-one thousand, four hundred sixty-one".