11302020231 has 16 divisors (see below), whose sum is σ = 15213871200. Its totient is φ = 7462482048.

The previous prime is 11302020229. The next prime is 11302020239. The reversal of 11302020231 is 13202020311.

It is not a de Polignac number, because 11302020231 - 2¹ = 11302020229 is a prime.

It is a super-2 number, since 2×11302020231² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11302020231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11302020239) 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, 1011085 + ... + 1022201.

It is an arithmetic number, because the mean of its divisors is an integer number (950866950).

Almost surely, 2^11302020231 is an apocalyptic number.

11302020231 is a deficient number, since it is larger than the sum of its proper divisors (3911850969).

11302020231 is a wasteful number, since it uses less digits than its factorization.

11302020231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14338.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 11302020231 its reverse (13202020311), we get a palindrome (24504040542).

The spelling of 11302020231 in words is "eleven billion, three hundred two million, twenty thousand, two hundred thirty-one".