313130211231 has 8 divisors (see below), whose sum is σ = 419839390080. Its totient is φ = 207587253272.

The previous prime is 313130211217. The next prime is 313130211263. The reversal of 313130211231 is 132112031313.

It is a happy number.

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 313130211231 - 2¹⁰ = 313130210207 is a prime.

It is a super-2 number, since 2×313130211231² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 313130211198 and 313130211207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313130211431) 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, 291554595 + ... + 291555668.

It is an arithmetic number, because the mean of its divisors is an integer number (52479923760).

Almost surely, 2^313130211231 is an apocalyptic number.

313130211231 is a deficient number, since it is larger than the sum of its proper divisors (106709178849).

313130211231 is a wasteful number, since it uses less digits than its factorization.

313130211231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583110445.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 313130211231 its reverse (132112031313), we get a palindrome (445242242544).

The spelling of 313130211231 in words is "three hundred thirteen billion, one hundred thirty million, two hundred eleven thousand, two hundred thirty-one".