3212431311 has 4 divisors (see below), whose sum is σ = 4283241752. Its totient is φ = 2141620872.

The previous prime is 3212431309. The next prime is 3212431331. The reversal of 3212431311 is 1131342123.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3212431311 - 2¹ = 3212431309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3212431331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 535405216 + ... + 535405221.

It is an arithmetic number, because the mean of its divisors is an integer number (1070810438).

Almost surely, 2^3212431311 is an apocalyptic number.

3212431311 is a deficient number, since it is larger than the sum of its proper divisors (1070810441).

3212431311 is a wasteful number, since it uses less digits than its factorization.

3212431311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070810440.

The product of its digits is 432, while the sum is 21.

The square root of 3212431311 is about 56678.3142921523. The cubic root of 3212431311 is about 1475.5183563180.

Adding to 3212431311 its reverse (1131342123), we get a palindrome (4343773434).

The spelling of 3212431311 in words is "three billion, two hundred twelve million, four hundred thirty-one thousand, three hundred eleven".