312103030103011 has 12 divisors (see below), whose sum is σ = 363677125400568. Its totient is φ = 267061147174752.

The previous prime is 312103030103003. The next prime is 312103030103017. The reversal of 312103030103011 is 110301030301213.

It is not a de Polignac number, because 312103030103011 - 2³ = 312103030103003 is a prime.

It is a super-2 number, since 2×312103030103011² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 312103030103011.

It is not an unprimeable number, because it can be changed into a prime (312103030103017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5425396786 + ... + 5425454311.

It is an arithmetic number, because the mean of its divisors is an integer number (30306427116714).

Almost surely, 2^{312103030103011} is an apocalyptic number.

312103030103011 is a deficient number, since it is larger than the sum of its proper divisors (51574095297557).

312103030103011 is a wasteful number, since it uses less digits than its factorization.

312103030103011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10850851698 (or 10850851691 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 312103030103011 its reverse (110301030301213), we get a palindrome (422404060404224).

The spelling of 312103030103011 in words is "three hundred twelve trillion, one hundred three billion, thirty million, one hundred three thousand, eleven".