4311215142 has 32 divisors (see below), whose sum is σ = 9290611680. Its totient is φ = 1325825280.

The previous prime is 4311215141. The next prime is 4311215191. The reversal of 4311215142 is 2415121134.

It is a super-2 number, since 2×4311215142² = 37173152001220160328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4311215141) 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, 144642 + ... + 171882.

It is an arithmetic number, because the mean of its divisors is an integer number (290331615).

Almost surely, 2^4311215142 is an apocalyptic number.

4311215142 is an abundant number, since it is smaller than the sum of its proper divisors (4979396538).

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

4311215142 is a wasteful number, since it uses less digits than its factorization.

4311215142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29288.

The product of its digits is 960, while the sum is 24.

The square root of 4311215142 is about 65659.8442124256. The cubic root of 4311215142 is about 1627.5458498035.

Adding to 4311215142 its reverse (2415121134), we get a palindrome (6726336276).

It can be divided in two parts, 4311 and 215142, that added together give a triangular number (219453 = T₆₆₂).

The spelling of 4311215142 in words is "four billion, three hundred eleven million, two hundred fifteen thousand, one hundred forty-two".