31030201113 has 4 divisors (see below), whose sum is σ = 41373601488. Its totient is φ = 20686800740.

The previous prime is 31030201109. The next prime is 31030201127. The reversal of 31030201113 is 31110203013.

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 31030201113 - 2² = 31030201109 is a prime.

It is a super-2 number, since 2×31030201113² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31030201092 and 31030201101.

It is not an unprimeable number, because it can be changed into a prime (31030201183) 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, 5171700183 + ... + 5171700188.

It is an arithmetic number, because the mean of its divisors is an integer number (10343400372).

Almost surely, 2^31030201113 is an apocalyptic number.

It is an amenable number.

31030201113 is a deficient number, since it is larger than the sum of its proper divisors (10343400375).

31030201113 is a wasteful number, since it uses less digits than its factorization.

31030201113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10343400374.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 31030201113 its reverse (31110203013), we get a palindrome (62140404126).

The spelling of 31030201113 in words is "thirty-one billion, thirty million, two hundred one thousand, one hundred thirteen".