1011032123231 has 12 divisors (see below), whose sum is σ = 1094822436312. Its totient is φ = 933229586016.

The previous prime is 1011032123221. The next prime is 1011032123261. The reversal of 1011032123231 is 1323212301101.

It is a happy number.

It is not a de Polignac number, because 1011032123231 - 2¹⁰ = 1011032122207 is a prime.

It is a super-2 number, since 2×1011032123231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011032123201) 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, 6224705 + ... + 6385061.

It is an arithmetic number, because the mean of its divisors is an integer number (91235203026).

Almost surely, 2^{1011032123231} is an apocalyptic number.

1011032123231 is a deficient number, since it is larger than the sum of its proper divisors (83790313081).

1011032123231 is a wasteful number, since it uses less digits than its factorization.

1011032123231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197690 (or 197677 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1011032123231 its reverse (1323212301101), we get a palindrome (2334244424332).

The spelling of 1011032123231 in words is "one trillion, eleven billion, thirty-two million, one hundred twenty-three thousand, two hundred thirty-one".