31041001 has 4 divisors (see below), whose sum is σ = 31122432. Its totient is φ = 30959572.

The previous prime is 31040983. The next prime is 31041019. The reversal of 31041001 is 10014013.

It is a happy number.

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 an interprime number because it is at equal distance from previous prime (31040983) and next prime (31041019).

It is a cyclic number.

It is not a de Polignac number, because 31041001 - 2⁹ = 31040489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31041061) 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, 40141 + ... + 40906.

It is an arithmetic number, because the mean of its divisors is an integer number (7780608).

Almost surely, 2^31041001 is an apocalyptic number.

It is an amenable number.

31041001 is a deficient number, since it is larger than the sum of its proper divisors (81431).

31041001 is an equidigital number, since it uses as much as digits as its factorization.

31041001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81430.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 31041001 is about 5571.4451446640. The cubic root of 31041001 is about 314.2764985787.

Adding to 31041001 its reverse (10014013), we get a palindrome (41055014).

The spelling of 31041001 in words is "thirty-one million, forty-one thousand, one".