1023213131132 has 12 divisors (see below), whose sum is σ = 1790680500000. Its totient is φ = 511590131136.

The previous prime is 1023213131123. The next prime is 1023213131201. The reversal of 1023213131132 is 2311313123201.

It is a super-2 number, since 2×1023213131132² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1023213131098 and 1023213131107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3967988 + ... + 4217979.

It is an arithmetic number, because the mean of its divisors is an integer number (149223375000).

Almost surely, 2^{1023213131132} is an apocalyptic number.

It is an amenable number.

1023213131132 is a deficient number, since it is larger than the sum of its proper divisors (767467368868).

1023213131132 is a wasteful number, since it uses less digits than its factorization.

1023213131132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8217220 (or 8217218 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1023213131132 its reverse (2311313123201), we get a palindrome (3334526254333).

The spelling of 1023213131132 in words is "one trillion, twenty-three billion, two hundred thirteen million, one hundred thirty-one thousand, one hundred thirty-two".