1204020031 has 8 divisors (see below), whose sum is σ = 1261908864. Its totient is φ = 1146592920.

The previous prime is 1204020023. The next prime is 1204020061. The reversal of 1204020031 is 1300204021.

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

It is a cyclic number.

It is not a de Polignac number, because 1204020031 - 2³ = 1204020023 is a prime.

It is a super-2 number, since 2×1204020031² = 2899328470098481922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1204019993 and 1204020020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204020001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110085 + ... + 120526.

It is an arithmetic number, because the mean of its divisors is an integer number (157738608).

Almost surely, 2^1204020031 is an apocalyptic number.

1204020031 is a deficient number, since it is larger than the sum of its proper divisors (57888833).

1204020031 is a wasteful number, since it uses less digits than its factorization.

1204020031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230861.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1204020031 is about 34698.9917865058. The cubic root of 1204020031 is about 1063.8438910996.

Adding to 1204020031 its reverse (1300204021), we get a palindrome (2504224052).

The spelling of 1204020031 in words is "one billion, two hundred four million, twenty thousand, thirty-one".