4311321012 has 48 divisors (see below), whose sum is σ = 11188031680. Its totient is φ = 1435752864.

The previous prime is 4311320969. The next prime is 4311321017. The reversal of 4311321012 is 2101231134.

4311321012 is a `hidden beast` number, since 431 + 13 + 210 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4311321017) 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, 99783 + ... + 136305.

Almost surely, 2^4311321012 is an apocalyptic number.

It is an amenable number.

4311321012 is an abundant number, since it is smaller than the sum of its proper divisors (6876710668).

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

4311321012 is a wasteful number, since it uses less digits than its factorization.

4311321012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37629 (or 37621 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 4311321012 is about 65660.6504079879. The cubic root of 4311321012 is about 1627.5591721781.

Adding to 4311321012 its reverse (2101231134), we get a palindrome (6412552146).

The spelling of 4311321012 in words is "four billion, three hundred eleven million, three hundred twenty-one thousand, twelve".