31034231 has 8 divisors (see below), whose sum is σ = 33748560. Its totient is φ = 28418688.

The previous prime is 31034221. The next prime is 31034233. The reversal of 31034231 is 13243013.

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 31034231 - 2¹⁸ = 30772087 is a prime.

It is a super-2 number, since 2×31034231² = 1926246987522722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31034233) 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, 24041 + ... + 25298.

It is an arithmetic number, because the mean of its divisors is an integer number (4218570).

Almost surely, 2^31034231 is an apocalyptic number.

31034231 is a deficient number, since it is larger than the sum of its proper divisors (2714329).

31034231 is a wasteful number, since it uses less digits than its factorization.

31034231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49393.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 31034231 is about 5570.8375492380. The cubic root of 31034231 is about 314.2536491588.

Adding to 31034231 its reverse (13243013), we get a palindrome (44277244).

The spelling of 31034231 in words is "thirty-one million, thirty-four thousand, two hundred thirty-one".