31123223310332 has 24 divisors (see below), whose sum is σ = 57137340526560. Its totient is φ = 14813384573120.

The previous prime is 31123223310293. The next prime is 31123223310397. The reversal of 31123223310332 is 23301332232113.

It is a super-3 number, since 3×31123223310332³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 31123223310295 and 31123223310304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1889454083 + ... + 1889470554.

It is an arithmetic number, because the mean of its divisors is an integer number (2380722521940).

Almost surely, 2^{31123223310332} is an apocalyptic number.

It is an amenable number.

31123223310332 is a deficient number, since it is larger than the sum of its proper divisors (26014117216228).

31123223310332 is a wasteful number, since it uses less digits than its factorization.

31123223310332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3778924741 (or 3778924739 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 31123223310332 its reverse (23301332232113), we get a palindrome (54424555542445).

The spelling of 31123223310332 in words is "thirty-one trillion, one hundred twenty-three billion, two hundred twenty-three million, three hundred ten thousand, three hundred thirty-two".