7231312650 has 96 divisors (see below), whose sum is σ = 18552526848. Its totient is φ = 1862078400.

The previous prime is 7231312589. The next prime is 7231312651. The reversal of 7231312650 is 562131327.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (7231312651) 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, 2542129 + ... + 2544971.

It is an arithmetic number, because the mean of its divisors is an integer number (193255488).

Almost surely, 2^7231312650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7231312650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9276263424).

7231312650 is an abundant number, since it is smaller than the sum of its proper divisors (11321214198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7231312650 is a wasteful number, since it uses less digits than its factorization.

7231312650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3436 (or 3431 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 7231312650 is about 85037.1251277934. The cubic root of 7231312650 is about 1933.7739831560.

Adding to 7231312650 its reverse (562131327), we get a palindrome (7793443977).

The spelling of 7231312650 in words is "seven billion, two hundred thirty-one million, three hundred twelve thousand, six hundred fifty".