31124214020 has 48 divisors (see below), whose sum is σ = 65923393536. Its totient is φ = 12342720000.

The previous prime is 31124214007. The next prime is 31124214041. The reversal of 31124214020 is 2041242113.

It is a super-3 number, since 3×31124214020³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 31124213983 and 31124214001.

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 15 ways as a sum of consecutive naturals, for example, 3010460 + ... + 3020780.

It is an arithmetic number, because the mean of its divisors is an integer number (1373404032).

Almost surely, 2^31124214020 is an apocalyptic number.

It is an amenable number.

31124214020 is an abundant number, since it is smaller than the sum of its proper divisors (34799179516).

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

31124214020 is a wasteful number, since it uses less digits than its factorization.

31124214020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11612 (or 11610 counting only the distinct ones).

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

Adding to 31124214020 its reverse (2041242113), we get a palindrome (33165456133).

The spelling of 31124214020 in words is "thirty-one billion, one hundred twenty-four million, two hundred fourteen thousand, twenty".