7142031 has 12 divisors (see below), whose sum is σ = 11110008. Its totient is φ = 4395024.

The previous prime is 7142027. The next prime is 7142039. The reversal of 7142031 is 1302417.

It is not a de Polignac number, because 7142031 - 2² = 7142027 is a prime.

It is a super-2 number, since 2×7142031² = 102017213609922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7141995 and 7142013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7142039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30405 + ... + 30638.

It is an arithmetic number, because the mean of its divisors is an integer number (925834).

Almost surely, 2^7142031 is an apocalyptic number.

7142031 is a deficient number, since it is larger than the sum of its proper divisors (3967977).

7142031 is a wasteful number, since it uses less digits than its factorization.

7142031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61062 (or 61059 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 7142031 is about 2672.4578574788. The cubic root of 7142031 is about 192.5782534493.

Adding to 7142031 its reverse (1302417), we get a palindrome (8444448).

The spelling of 7142031 in words is "seven million, one hundred forty-two thousand, thirty-one".