31023414 has 12 divisors (see below), whose sum is σ = 67217436. Its totient is φ = 10341132.

The previous prime is 31023407. The next prime is 31023437. The reversal of 31023414 is 41432013.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1723523 = 31023414 / (3 + 1 + 0 + 2 + 3 + 4 + 1 + 4).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 861744 + ... + 861779.

It is an arithmetic number, because the mean of its divisors is an integer number (5601453).

Almost surely, 2^31023414 is an apocalyptic number.

31023414 is an abundant number, since it is smaller than the sum of its proper divisors (36194022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31023414 is a wasteful number, since it uses less digits than its factorization.

31023414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1723531 (or 1723528 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 31023414 is about 5569.8666052249. The cubic root of 31023414 is about 314.2171338161.

Adding to 31023414 its reverse (41432013), we get a palindrome (72455427).

The spelling of 31023414 in words is "thirty-one million, twenty-three thousand, four hundred fourteen".