31232103031031 has 8 divisors (see below), whose sum is σ = 35699978772480. Its totient is φ = 26765763973848.

The previous prime is 31232103030983. The next prime is 31232103031109. The reversal of 31232103031031 is 13013030123213.

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

It is a cyclic number.

It is not a de Polignac number, because 31232103031031 - 2⁶ = 31232103030967 is a prime.

It is a super-2 number, since 2×31232103031031² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31232103030988 and 31232103031006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31232103031331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384127511 + ... + 384208808.

It is an arithmetic number, because the mean of its divisors is an integer number (4462497346560).

Almost surely, 2^{31232103031031} is an apocalyptic number.

31232103031031 is a deficient number, since it is larger than the sum of its proper divisors (4467875741449).

31232103031031 is an equidigital number, since it uses as much as digits as its factorization.

31232103031031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768342133.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 31232103031031 its reverse (13013030123213), we get a palindrome (44245133154244).

The spelling of 31232103031031 in words is "thirty-one trillion, two hundred thirty-two billion, one hundred three million, thirty-one thousand, thirty-one".