226731011031 has 64 divisors (see below), whose sum is σ = 394412032000. Its totient is φ = 126009831168.

The previous prime is 226731011027. The next prime is 226731011041. The reversal of 226731011031 is 130110137622.

It is not a de Polignac number, because 226731011031 - 2² = 226731011027 is a prime.

It is a super-2 number, since 2×226731011031² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 226731010986 and 226731011004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226731011041) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25051395 + ... + 25060443.

It is an arithmetic number, because the mean of its divisors is an integer number (6162688000).

Almost surely, 2^226731011031 is an apocalyptic number.

226731011031 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

226731011031 is a deficient number, since it is larger than the sum of its proper divisors (167681020969).

226731011031 is a wasteful number, since it uses less digits than its factorization.

226731011031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12685 (or 12679 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

Adding to 226731011031 its reverse (130110137622), we get a palindrome (356841148653).

The spelling of 226731011031 in words is "two hundred twenty-six billion, seven hundred thirty-one million, eleven thousand, thirty-one".