10312120311 has 8 divisors (see below), whose sum is σ = 14347297920. Its totient is φ = 6575844792.

The previous prime is 10312120307. The next prime is 10312120331. The reversal of 10312120311 is 11302121301.

It is a happy number.

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

It is not a de Polignac number, because 10312120311 - 2² = 10312120307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10312120331) 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, 74725441 + ... + 74725578.

It is an arithmetic number, because the mean of its divisors is an integer number (1793412240).

Almost surely, 2^10312120311 is an apocalyptic number.

10312120311 is a deficient number, since it is larger than the sum of its proper divisors (4035177609).

10312120311 is a wasteful number, since it uses less digits than its factorization.

10312120311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149451045.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 10312120311 its reverse (11302121301), we get a palindrome (21614241612).

The spelling of 10312120311 in words is "ten billion, three hundred twelve million, one hundred twenty thousand, three hundred eleven".