31424102 has 4 divisors (see below), whose sum is σ = 47136156. Its totient is φ = 15712050.

The previous prime is 31424087. The next prime is 31424117. The reversal of 31424102 is 20142413.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (31424087) and next prime (31424117).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7856024 + ... + 7856027.

It is an arithmetic number, because the mean of its divisors is an integer number (11784039).

Almost surely, 2^31424102 is an apocalyptic number.

31424102 is a deficient number, since it is larger than the sum of its proper divisors (15712054).

31424102 is a wasteful number, since it uses less digits than its factorization.

31424102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15712053.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 31424102 is about 5605.7204710902. The cubic root of 31424102 is about 315.5641255929.

Adding to 31424102 its reverse (20142413), we get a palindrome (51566515).

The spelling of 31424102 in words is "thirty-one million, four hundred twenty-four thousand, one hundred two".