313404101231 has 4 divisors (see below), whose sum is σ = 337512109032. Its totient is φ = 289296093432.

The previous prime is 313404101207. The next prime is 313404101323. The reversal of 313404101231 is 132101404313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132101404313 = 31 ⋅4261335623.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313404101231 is a prime.

It is a super-2 number, since 2×313404101231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313404101197 and 313404101206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313404181231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12054003881 + ... + 12054003906.

It is an arithmetic number, because the mean of its divisors is an integer number (84378027258).

Almost surely, 2^313404101231 is an apocalyptic number.

313404101231 is a deficient number, since it is larger than the sum of its proper divisors (24108007801).

313404101231 is a wasteful number, since it uses less digits than its factorization.

313404101231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24108007800.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 313404101231 its reverse (132101404313), we get a palindrome (445505505544).

The spelling of 313404101231 in words is "three hundred thirteen billion, four hundred four million, one hundred one thousand, two hundred thirty-one".