31424141 has 12 divisors (see below), whose sum is σ = 38145312. Its totient is φ = 25762968.

The previous prime is 31424117. The next prime is 31424171. The reversal of 31424141 is 14142413.

It is not a de Polignac number, because 31424141 - 2¹⁸ = 31161997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31424171) 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, 12815 + ... + 15068.

It is an arithmetic number, because the mean of its divisors is an integer number (3178776).

Almost surely, 2^31424141 is an apocalyptic number.

It is an amenable number.

31424141 is a deficient number, since it is larger than the sum of its proper divisors (6721171).

31424141 is a wasteful number, since it uses less digits than its factorization.

31424141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27920 (or 27913 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 31424141 is about 5605.7239496786. The cubic root of 31424141 is about 315.5642561402.

Adding to 31424141 its reverse (14142413), we get a palindrome (45566554).

The spelling of 31424141 in words is "thirty-one million, four hundred twenty-four thousand, one hundred forty-one".