31321100014 has 4 divisors (see below), whose sum is σ = 46981650024. Its totient is φ = 15660550006.

The previous prime is 31321099991. The next prime is 31321100017. The reversal of 31321100014 is 41000112313.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×31321100014² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31321100017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7830275002 + ... + 7830275005.

It is an arithmetic number, because the mean of its divisors is an integer number (11745412506).

Almost surely, 2^31321100014 is an apocalyptic number.

31321100014 is a deficient number, since it is larger than the sum of its proper divisors (15660550010).

31321100014 is a wasteful number, since it uses less digits than its factorization.

31321100014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15660550009.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 31321100014 its reverse (41000112313), we get a palindrome (72321212327).

The spelling of 31321100014 in words is "thirty-one billion, three hundred twenty-one million, one hundred thousand, fourteen".