31022121114 has 24 divisors (see below), whose sum is σ = 67880090772. Its totient is φ = 10238323200.

The previous prime is 31022121017. The next prime is 31022121131. The reversal of 31022121114 is 41112122013.

31022121114 is a `hidden beast` number, since 310 + 221 + 21 + 114 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 30654056889 + 368064225 = 175083^2 + 19185^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8530119 + ... + 8533754.

Almost surely, 2^31022121114 is an apocalyptic number.

31022121114 is an abundant number, since it is smaller than the sum of its proper divisors (36857969658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31022121114 is a wasteful number, since it uses less digits than its factorization.

31022121114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17063982 (or 17063979 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 31022121114 its reverse (41112122013), we get a palindrome (72134243127).

The spelling of 31022121114 in words is "thirty-one billion, twenty-two million, one hundred twenty-one thousand, one hundred fourteen".