2312621630 has 32 divisors (see below), whose sum is σ = 4615606368. Its totient is φ = 827164800.

The previous prime is 2312621609. The next prime is 2312621653. The reversal of 2312621630 is 361262132.

It is a self number, because there is not a number n which added to its sum of digits gives 2312621630.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165617 + ... + 179036.

It is an arithmetic number, because the mean of its divisors is an integer number (144237699).

Almost surely, 2^2312621630 is an apocalyptic number.

2312621630 is a deficient number, since it is larger than the sum of its proper divisors (2302984738).

2312621630 is a wasteful number, since it uses less digits than its factorization.

2312621630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344732.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 2312621630 is about 48089.7247860705. The cubic root of 2312621630 is about 1322.4163022968.

Adding to 2312621630 its reverse (361262132), we get a palindrome (2673883762).

The spelling of 2312621630 in words is "two billion, three hundred twelve million, six hundred twenty-one thousand, six hundred thirty".