1220133031 has 8 divisors (see below), whose sum is σ = 1320219824. Its totient is φ = 1120936320.

The previous prime is 1220133017. The next prime is 1220133043. The reversal of 1220133031 is 1303310221.

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 1220133031 - 2¹¹ = 1220130983 is a prime.

It is a super-2 number, since 2×1220133031² = 2977449226674493922, 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 = 1220132996 and 1220133014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220133071) 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, 219666 + ... + 225151.

It is an arithmetic number, because the mean of its divisors is an integer number (165027478).

Almost surely, 2^1220133031 is an apocalyptic number.

1220133031 is a deficient number, since it is larger than the sum of its proper divisors (100086793).

1220133031 is a wasteful number, since it uses less digits than its factorization.

1220133031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445041.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1220133031 is about 34930.4026744611. The cubic root of 1220133031 is about 1068.5685668735.

Adding to 1220133031 its reverse (1303310221), we get a palindrome (2523443252).

The spelling of 1220133031 in words is "one billion, two hundred twenty million, one hundred thirty-three thousand, thirty-one".