403223121031 has 2 divisors, whose sum is σ = 403223121032. Its totient is φ = 403223121030.

The previous prime is 403223121011. The next prime is 403223121109. The reversal of 403223121031 is 130121322304.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 403223121031 - 2⁵ = 403223120999 is a prime.

It is a super-2 number, since 2×403223121031² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 403223120993 and 403223121011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (403223121011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201611560515 + 201611560516.

It is an arithmetic number, because the mean of its divisors is an integer number (201611560516).

Almost surely, 2^403223121031 is an apocalyptic number.

403223121031 is a deficient number, since it is larger than the sum of its proper divisors (1).

403223121031 is an equidigital number, since it uses as much as digits as its factorization.

403223121031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 403223121031 its reverse (130121322304), we get a palindrome (533344443335).

The spelling of 403223121031 in words is "four hundred three billion, two hundred twenty-three million, one hundred twenty-one thousand, thirty-one".