31550420014 has 16 divisors (see below), whose sum is σ = 48925478448. Its totient is φ = 15249491712.

The previous prime is 31550420009. The next prime is 31550420059. The reversal of 31550420014 is 41002405513.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 1882717 + ... + 1899400.

It is an arithmetic number, because the mean of its divisors is an integer number (3057842403).

Almost surely, 2^31550420014 is an apocalyptic number.

31550420014 is a deficient number, since it is larger than the sum of its proper divisors (17375058434).

31550420014 is a wasteful number, since it uses less digits than its factorization.

31550420014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3782259.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 31550420014 its reverse (41002405513), we get a palindrome (72552825527).

The spelling of 31550420014 in words is "thirty-one billion, five hundred fifty million, four hundred twenty thousand, fourteen".