2306631631545 has 48 divisors (see below), whose sum is σ = 4025497320000. Its totient is φ = 1221794582400.

The previous prime is 2306631631541. The next prime is 2306631631609. The reversal of 2306631631545 is 5451361366032.

2306631631545 is a `hidden beast` number, since 2 + 3 + 0 + 6 + 6 + 3 + 1 + 631 + 5 + 4 + 5 = 666.

It is not a de Polignac number, because 2306631631545 - 2² = 2306631631541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2306631631545.

It is not an unprimeable number, because it can be changed into a prime (2306631631541) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 71398806 + ... + 71431104.

It is an arithmetic number, because the mean of its divisors is an integer number (83864527500).

Almost surely, 2^{2306631631545} is an apocalyptic number.

It is an amenable number.

2306631631545 is a deficient number, since it is larger than the sum of its proper divisors (1718865688455).

2306631631545 is a wasteful number, since it uses less digits than its factorization.

2306631631545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43110 (or 43107 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 45.

Adding to 2306631631545 its reverse (5451361366032), we get a palindrome (7757992997577).

The spelling of 2306631631545 in words is "two trillion, three hundred six billion, six hundred thirty-one million, six hundred thirty-one thousand, five hundred forty-five".