31023311132303 has 8 divisors (see below), whose sum is σ = 35455296482208. Its totient is φ = 26591346722304.

The previous prime is 31023311132291. The next prime is 31023311132321. The reversal of 31023311132303 is 30323111332013.

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

It is not a de Polignac number, because 31023311132303 - 2⁴ = 31023311132287 is a prime.

It is a super-2 number, since 2×31023311132303² (a number of 28 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 (31023311132393) 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, 1920326 + ... + 8107667.

It is an arithmetic number, because the mean of its divisors is an integer number (4431912060276).

Almost surely, 2^{31023311132303} is an apocalyptic number.

31023311132303 is a deficient number, since it is larger than the sum of its proper divisors (4431985349905).

31023311132303 is a wasteful number, since it uses less digits than its factorization.

31023311132303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10469953.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 31023311132303 its reverse (30323111332013), we get a palindrome (61346422464316).

The spelling of 31023311132303 in words is "thirty-one trillion, twenty-three billion, three hundred eleven million, one hundred thirty-two thousand, three hundred three".