403211313 has 12 divisors (see below), whose sum is σ = 585906048. Its totient is φ = 267196920.

The previous prime is 403211299. The next prime is 403211317. The reversal of 403211313 is 313112304.

It is not a de Polignac number, because 403211313 - 2¹⁶ = 403145777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (403211317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132633 + ... + 135638.

It is an arithmetic number, because the mean of its divisors is an integer number (48825504).

Almost surely, 2^403211313 is an apocalyptic number.

It is an amenable number.

403211313 is a deficient number, since it is larger than the sum of its proper divisors (182694735).

403211313 is a wasteful number, since it uses less digits than its factorization.

403211313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268444 (or 268441 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 403211313 is about 20080.1223352847. The cubic root of 403211313 is about 738.7728095545.

Adding to 403211313 its reverse (313112304), we get a palindrome (716323617).

Subtracting from 403211313 its reverse (313112304), we obtain a palindrome (90099009).

The spelling of 403211313 in words is "four hundred three million, two hundred eleven thousand, three hundred thirteen".