31233201023 has 8 divisors (see below), whose sum is σ = 33073728480. Its totient is φ = 29393038080.

The previous prime is 31233200981. The next prime is 31233201047. The reversal of 31233201023 is 32010233213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31233201023 - 2¹⁰ = 31233199999 is a prime.

It is a super-2 number, since 2×31233201023² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31233200986 and 31233201004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31233200023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96323 + ... + 267851.

It is an arithmetic number, because the mean of its divisors is an integer number (4134216060).

Almost surely, 2^31233201023 is an apocalyptic number.

31233201023 is a deficient number, since it is larger than the sum of its proper divisors (1840527457).

31233201023 is a wasteful number, since it uses less digits than its factorization.

31233201023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182257.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 31233201023 its reverse (32010233213), we get a palindrome (63243434236).

The spelling of 31233201023 in words is "thirty-one billion, two hundred thirty-three million, two hundred one thousand, twenty-three".