31403241101 has 4 divisors (see below), whose sum is σ = 31430244192. Its totient is φ = 31376238012.

The previous prime is 31403241083. The next prime is 31403241127. The reversal of 31403241101 is 10114230413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31403241101 - 2³⁴ = 14223371917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31403241131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13499801 + ... + 13502126.

It is an arithmetic number, because the mean of its divisors is an integer number (7857561048).

Almost surely, 2^31403241101 is an apocalyptic number.

It is an amenable number.

31403241101 is a deficient number, since it is larger than the sum of its proper divisors (27003091).

31403241101 is a wasteful number, since it uses less digits than its factorization.

31403241101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27003090.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 31403241101 its reverse (10114230413), we get a palindrome (41517471514).

The spelling of 31403241101 in words is "thirty-one billion, four hundred three million, two hundred forty-one thousand, one hundred one".