5031381 has 8 divisors (see below), whose sum is σ = 6722784. Its totient is φ = 3347120.

The previous prime is 5031373. The next prime is 5031401. The reversal of 5031381 is 1831305.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5031381 - 2³ = 5031373 is a prime.

It is a super-2 number, since 2×5031381² = 50629589534322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5031361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166 + ... + 3176.

It is an arithmetic number, because the mean of its divisors is an integer number (840348).

Almost surely, 2^5031381 is an apocalyptic number.

It is an amenable number.

5031381 is a deficient number, since it is larger than the sum of its proper divisors (1691403).

5031381 is a wasteful number, since it uses less digits than its factorization.

5031381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3571.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 5031381 is about 2243.0740068041. The cubic root of 5031381 is about 171.3545872217.

Adding to 5031381 its reverse (1831305), we get a palindrome (6862686).

The spelling of 5031381 in words is "five million, thirty-one thousand, three hundred eighty-one".