1226023031 has 4 divisors (see below), whose sum is σ = 1228868064. Its totient is φ = 1223178000.

The previous prime is 1226023021. The next prime is 1226023037. The reversal of 1226023031 is 1303206221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-1226023031 is a prime.

It is a super-2 number, since 2×1226023031² = 3006264945084853922, 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 = 1226022994 and 1226023012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226023037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1421870 + ... + 1422731.

It is an arithmetic number, because the mean of its divisors is an integer number (307217016).

Almost surely, 2^1226023031 is an apocalyptic number.

1226023031 is a deficient number, since it is larger than the sum of its proper divisors (2845033).

1226023031 is an equidigital number, since it uses as much as digits as its factorization.

1226023031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2845032.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1226023031 is about 35014.6116785550. The cubic root of 1226023031 is about 1070.2852562889.

Adding to 1226023031 its reverse (1303206221), we get a palindrome (2529229252).

The spelling of 1226023031 in words is "one billion, two hundred twenty-six million, twenty-three thousand, thirty-one".