3212440231 has 16 divisors (see below), whose sum is σ = 4313207808. Its totient is φ = 2310645600.

The previous prime is 3212440157. The next prime is 3212440249. The reversal of 3212440231 is 1320442123.

It is a cyclic number.

It is not a de Polignac number, because 3212440231 - 2¹³ = 3212432039 is a prime.

It is a super-2 number, since 2×3212440231² = 20639544475494666722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3212440331) 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, 1603615 + ... + 1605616.

It is an arithmetic number, because the mean of its divisors is an integer number (269575488).

Almost surely, 2^3212440231 is an apocalyptic number.

3212440231 is a deficient number, since it is larger than the sum of its proper divisors (1100767577).

3212440231 is a wasteful number, since it uses less digits than its factorization.

3212440231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3209262.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 3212440231 is about 56678.3929818057. The cubic root of 3212440231 is about 1475.5197220138.

Adding to 3212440231 its reverse (1320442123), we get a palindrome (4532882354).

The spelling of 3212440231 in words is "three billion, two hundred twelve million, four hundred forty thousand, two hundred thirty-one".