20031003123219 has 48 divisors (see below), whose sum is σ = 31765712509440. Its totient is φ = 12062459891520.

The previous prime is 20031003123169. The next prime is 20031003123227. The reversal of 20031003123219 is 91232130013002.

20031003123219 is a `hidden beast` number, since 2 + 0 + 0 + 310 + 0 + 312 + 32 + 1 + 9 = 666.

It is not a de Polignac number, because 20031003123219 - 2²¹ = 20031001026067 is a prime.

It is a super-2 number, since 2×20031003123219² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20031003123192 and 20031003123201.

It is not an unprimeable number, because it can be changed into a prime (20031003123269) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64214902 + ... + 64526084.

It is an arithmetic number, because the mean of its divisors is an integer number (661785677280).

Almost surely, 2^{20031003123219} is an apocalyptic number.

20031003123219 is a deficient number, since it is larger than the sum of its proper divisors (11734709386221).

20031003123219 is a wasteful number, since it uses less digits than its factorization.

20031003123219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315352 (or 315349 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The spelling of 20031003123219 in words is "twenty trillion, thirty-one billion, three million, one hundred twenty-three thousand, two hundred nineteen".