31130111100103 has 8 divisors (see below), whose sum is σ = 31134904730496. Its totient is φ = 31125317835000.

The previous prime is 31130111100073. The next prime is 31130111100131. The reversal of 31130111100103 is 30100111103113.

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 31130111100103 - 2²⁹ = 31129574229191 is a prime.

It is a super-2 number, since 2×31130111100103² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31130111100203) 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, 203971300 + ... + 204123862.

It is an arithmetic number, because the mean of its divisors is an integer number (3891863091312).

Almost surely, 2^{31130111100103} is an apocalyptic number.

31130111100103 is a deficient number, since it is larger than the sum of its proper divisors (4793630393).

31130111100103 is a wasteful number, since it uses less digits than its factorization.

31130111100103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182645.

The product of its (nonzero) digits is 27, while the sum is 16.

Adding to 31130111100103 its reverse (30100111103113), we get a palindrome (61230222203216).

The spelling of 31130111100103 in words is "thirty-one trillion, one hundred thirty billion, one hundred eleven million, one hundred thousand, one hundred three".