31040332030331 has 8 divisors (see below), whose sum is σ = 33435369419424. Its totient is φ = 28646340289920.

The previous prime is 31040332030327. The next prime is 31040332030427. The reversal of 31040332030331 is 13303023304013.

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 31040332030331 - 2² = 31040332030327 is a prime.

It is a super-2 number, since 2×31040332030331² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31040332030331.

It is not an unprimeable number, because it can be changed into a prime (31040332033331) 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, 261350510 + ... + 261469251.

It is an arithmetic number, because the mean of its divisors is an integer number (4179421177428).

Almost surely, 2^{31040332030331} is an apocalyptic number.

31040332030331 is a deficient number, since it is larger than the sum of its proper divisors (2395037389093).

31040332030331 is a wasteful number, since it uses less digits than its factorization.

31040332030331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522824341.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 31040332030331 its reverse (13303023304013), we get a palindrome (44343355334344).

The spelling of 31040332030331 in words is "thirty-one trillion, forty billion, three hundred thirty-two million, thirty thousand, three hundred thirty-one".