31219434101 has 8 divisors (see below), whose sum is σ = 31699902720. Its totient is φ = 30739392288.

The previous prime is 31219434079. The next prime is 31219434137. The reversal of 31219434101 is 10143491213.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 31219434101 - 2¹⁴ = 31219417717 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 (31219434401) 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 7 ways as a sum of consecutive naturals, for example, 42305 + ... + 253433.

It is an arithmetic number, because the mean of its divisors is an integer number (3962487840).

Almost surely, 2^31219434101 is an apocalyptic number.

It is an amenable number.

31219434101 is a deficient number, since it is larger than the sum of its proper divisors (480468619).

31219434101 is a wasteful number, since it uses less digits than its factorization.

31219434101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213403.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 31219434101 in words is "thirty-one billion, two hundred nineteen million, four hundred thirty-four thousand, one hundred one".