31443401103 has 8 divisors (see below), whose sum is σ = 42339629616. Its totient is φ = 20754720000.

The previous prime is 31443401089. The next prime is 31443401111. The reversal of 31443401103 is 30110434413.

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

It is not a de Polignac number, because 31443401103 - 2⁸ = 31443400847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31443401203) 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, 51886498 + ... + 51887103.

It is an arithmetic number, because the mean of its divisors is an integer number (5292453702).

Almost surely, 2^31443401103 is an apocalyptic number.

31443401103 is a deficient number, since it is larger than the sum of its proper divisors (10896228513).

31443401103 is a wasteful number, since it uses less digits than its factorization.

31443401103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103773705.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 31443401103 its reverse (30110434413), we get a palindrome (61553835516).

The spelling of 31443401103 in words is "thirty-one billion, four hundred forty-three million, four hundred one thousand, one hundred three".