11213431302 has 32 divisors (see below), whose sum is σ = 23801278464. Its totient is φ = 3509763200.

The previous prime is 11213431301. The next prime is 11213431303. The reversal of 11213431302 is 20313431211.

It is an interprime number because it is at equal distance from previous prime (11213431301) and next prime (11213431303).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11213431301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83574 + ... + 171497.

It is an arithmetic number, because the mean of its divisors is an integer number (743789952).

Almost surely, 2^11213431302 is an apocalyptic number.

11213431302 is an abundant number, since it is smaller than the sum of its proper divisors (12587847162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11213431302 is a wasteful number, since it uses less digits than its factorization.

11213431302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255524.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 11213431302 its reverse (20313431211), we get a palindrome (31526862513).

Subtracting 11213431302 from its reverse (20313431211), we obtain a palindrome (9099999909).

The spelling of 11213431302 in words is "eleven billion, two hundred thirteen million, four hundred thirty-one thousand, three hundred two".