31244440102 has 8 divisors (see below), whose sum is σ = 46870261200. Its totient is φ = 15621019704.

The previous prime is 31244440093. The next prime is 31244440111. The reversal of 31244440102 is 20104444213.

It is an interprime number because it is at equal distance from previous prime (31244440093) and next prime (31244440111).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 567277 + ... + 619912.

It is an arithmetic number, because the mean of its divisors is an integer number (5858782650).

Almost surely, 2^31244440102 is an apocalyptic number.

31244440102 is a deficient number, since it is larger than the sum of its proper divisors (15625821098).

31244440102 is a wasteful number, since it uses less digits than its factorization.

31244440102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200350.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 31244440102 its reverse (20104444213), we get a palindrome (51348884315).

The spelling of 31244440102 in words is "thirty-one billion, two hundred forty-four million, four hundred forty thousand, one hundred two".