31124020444030 has 8 divisors (see below), whose sum is σ = 56023236799272. Its totient is φ = 12449608177608.

The previous prime is 31124020444009. The next prime is 31124020444057. The reversal of 31124020444030 is 3044402042113.

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

It is a self number, because there is not a number n which added to its sum of digits gives 31124020444030.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1556201022192 + ... + 1556201022211.

It is an arithmetic number, because the mean of its divisors is an integer number (7002904599909).

Almost surely, 2^{31124020444030} is an apocalyptic number.

31124020444030 is a deficient number, since it is larger than the sum of its proper divisors (24899216355242).

31124020444030 is a wasteful number, since it uses less digits than its factorization.

31124020444030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3112402044410.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 31124020444030 its reverse (3044402042113), we get a palindrome (34168422486143).

The spelling of 31124020444030 in words is "thirty-one trillion, one hundred twenty-four billion, twenty million, four hundred forty-four thousand, thirty".