1220102031 has 8 divisors (see below), whose sum is σ = 1627073584. Its totient is φ = 813265920.

The previous prime is 1220102011. The next prime is 1220102033. The reversal of 1220102031 is 1302010221.

1220102031 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-1220102031 is a prime.

It is a super-2 number, since 2×1220102031² = 2977297932100649922, 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 = 1220101998 and 1220102016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220102033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10546 + ... + 50511.

It is an arithmetic number, because the mean of its divisors is an integer number (203384198).

Almost surely, 2^1220102031 is an apocalyptic number.

1220102031 is a deficient number, since it is larger than the sum of its proper divisors (406971553).

1220102031 is an equidigital number, since it uses as much as digits as its factorization.

1220102031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67721.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1220102031 is about 34929.9589321259. The cubic root of 1220102031 is about 1068.5595170663.

Adding to 1220102031 its reverse (1302010221), we get a palindrome (2522112252).

The spelling of 1220102031 in words is "one billion, two hundred twenty million, one hundred two thousand, thirty-one".