313121012213030 has 128 divisors (see below), whose sum is σ = 681714806169600. Its totient is φ = 101154576743424.

The previous prime is 313121012213029. The next prime is 313121012213063. The reversal of 313121012213030 is 30312210121313.

It is a junction number, because it is equal to n+sod(n) for n = 313121012212987 and 313121012213005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 316560914 + ... + 317548506.

It is an arithmetic number, because the mean of its divisors is an integer number (5325896923200).

Almost surely, 2^{313121012213030} is an apocalyptic number.

313121012213030 is an abundant number, since it is smaller than the sum of its proper divisors (368593793956570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313121012213030 is a wasteful number, since it uses less digits than its factorization.

313121012213030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988918.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 313121012213030 its reverse (30312210121313), we get a palindrome (343433222334343).

The spelling of 313121012213030 in words is "three hundred thirteen trillion, one hundred twenty-one billion, twelve million, two hundred thirteen thousand, thirty".