31020341 has 4 divisors (see below), whose sum is σ = 33840384. Its totient is φ = 28200300.

The previous prime is 31020289. The next prime is 31020361. The reversal of 31020341 is 14302013.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31020341 - 2¹⁴ = 31003957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31020361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1410005 + ... + 1410026.

It is an arithmetic number, because the mean of its divisors is an integer number (8460096).

Almost surely, 2^31020341 is an apocalyptic number.

It is an amenable number.

31020341 is a deficient number, since it is larger than the sum of its proper divisors (2820043).

31020341 is a wasteful number, since it uses less digits than its factorization.

31020341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2820042.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 31020341 is about 5569.5907390041. The cubic root of 31020341 is about 314.2067586294.

Adding to 31020341 its reverse (14302013), we get a palindrome (45322354).

The spelling of 31020341 in words is "thirty-one million, twenty thousand, three hundred forty-one".