31424202101 has 4 divisors (see below), whose sum is σ = 31425242400. Its totient is φ = 31423161804.

The previous prime is 31424202097. The next prime is 31424202119. The reversal of 31424202101 is 10120242413.

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 31424202101 - 2² = 31424202097 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 (31424202001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473441 + ... + 535718.

It is an arithmetic number, because the mean of its divisors is an integer number (7856310600).

Almost surely, 2^31424202101 is an apocalyptic number.

It is an amenable number.

31424202101 is a deficient number, since it is larger than the sum of its proper divisors (1040299).

31424202101 is a wasteful number, since it uses less digits than its factorization.

31424202101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040298.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 31424202101 its reverse (10120242413), we get a palindrome (41544444514).

The spelling of 31424202101 in words is "thirty-one billion, four hundred twenty-four million, two hundred two thousand, one hundred one".