313532222461 has 4 divisors (see below), whose sum is σ = 330033918400. Its totient is φ = 297030526524.

The previous prime is 313532222449. The next prime is 313532222467. The reversal of 313532222461 is 164222235313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313532222461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313532222467) 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, 8250847941 + ... + 8250847978.

It is an arithmetic number, because the mean of its divisors is an integer number (82508479600).

Almost surely, 2^313532222461 is an apocalyptic number.

It is an amenable number.

313532222461 is a deficient number, since it is larger than the sum of its proper divisors (16501695939).

313532222461 is a wasteful number, since it uses less digits than its factorization.

313532222461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16501695938.

The product of its digits is 51840, while the sum is 34.

Adding to 313532222461 its reverse (164222235313), we get a palindrome (477754457774).

The spelling of 313532222461 in words is "three hundred thirteen billion, five hundred thirty-two million, two hundred twenty-two thousand, four hundred sixty-one".