31352211225313 has 4 divisors (see below), whose sum is σ = 34202412245808. Its totient is φ = 28502010204820.

The previous prime is 31352211225287. The next prime is 31352211225337.

31352211225313 is nontrivially palindromic in base 10.

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 not a de Polignac number, because 31352211225313 - 2⁹ = 31352211224801 is a prime.

It is a super-2 number, since 2×31352211225313² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31352211220313) 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, 1425100510231 + ... + 1425100510252.

It is an arithmetic number, because the mean of its divisors is an integer number (8550603061452).

Almost surely, 2^{31352211225313} is an apocalyptic number.

It is an amenable number.

31352211225313 is a deficient number, since it is larger than the sum of its proper divisors (2850201020495).

31352211225313 is a wasteful number, since it uses less digits than its factorization.

31352211225313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2850201020494.

The product of its digits is 32400, while the sum is 34.

The spelling of 31352211225313 in words is "thirty-one trillion, three hundred fifty-two billion, two hundred eleven million, two hundred twenty-five thousand, three hundred thirteen".