2315132101 has 4 divisors (see below), whose sum is σ = 2317625100. Its totient is φ = 2312639104.

The previous prime is 2315132087. The next prime is 2315132107. The reversal of 2315132101 is 1012315132.

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 557007201 + 1758124900 = 23601^2 + 41930^2 .

It is a cyclic number.

It is not a de Polignac number, because 2315132101 - 2¹¹ = 2315130053 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 (2315132107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1245106 + ... + 1246963.

It is an arithmetic number, because the mean of its divisors is an integer number (579406275).

Almost surely, 2^2315132101 is an apocalyptic number.

It is an amenable number.

2315132101 is a deficient number, since it is larger than the sum of its proper divisors (2492999).

2315132101 is an equidigital number, since it uses as much as digits as its factorization.

2315132101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2492998.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 2315132101 is about 48115.8196542468. The cubic root of 2315132101 is about 1322.8946464632.

Adding to 2315132101 its reverse (1012315132), we get a palindrome (3327447233).

It can be divided in two parts, 2315132 and 101, that multiplied together give a palindrome (233828332).

The spelling of 2315132101 in words is "two billion, three hundred fifteen million, one hundred thirty-two thousand, one hundred one".