3431142 has 96 divisors (see below), whose sum is σ = 9225216. Its totient is φ = 907200.

The previous prime is 3431123. The next prime is 3431143. The reversal of 3431142 is 2411343.

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 (3431143) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 79773 + ... + 79815.

It is an arithmetic number, because the mean of its divisors is an integer number (96096).

Almost surely, 2^3431142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3431142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4612608).

3431142 is an abundant number, since it is smaller than the sum of its proper divisors (5794074).

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

3431142 is a wasteful number, since it uses less digits than its factorization.

3431142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 103 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 3431142 is about 1852.3342031070. The cubic root of 3431142 is about 150.8271636180.

Adding to 3431142 its reverse (2411343), we get a palindrome (5842485).

It can be divided in two parts, 343 and 1142, that added together give a triangular number (1485 = T₅₄).

The spelling of 3431142 in words is "three million, four hundred thirty-one thousand, one hundred forty-two".