3215450231 has 16 divisors (see below), whose sum is σ = 3816099840. Its totient is φ = 2651192640.

The previous prime is 3215450221. The next prime is 3215450267. The reversal of 3215450231 is 1320545123.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3215450231 - 2⁶ = 3215450167 is a prime.

It is a super-4 number, since 4×3215450231⁴ (a number of 39 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 3215450231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3215450221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8126 + ... + 80603.

It is an arithmetic number, because the mean of its divisors is an integer number (238506240).

Almost surely, 2^3215450231 is an apocalyptic number.

3215450231 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3215450231 is a deficient number, since it is larger than the sum of its proper divisors (600649609).

3215450231 is a wasteful number, since it uses less digits than its factorization.

3215450231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88934.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 3215450231 is about 56704.9400934345. The cubic root of 3215450231 is about 1475.9804234973.

Adding to 3215450231 its reverse (1320545123), we get a palindrome (4535995354).

The spelling of 3215450231 in words is "three billion, two hundred fifteen million, four hundred fifty thousand, two hundred thirty-one".