31103141031 has 6 divisors (see below), whose sum is σ = 44926759280. Its totient is φ = 20735427348.

The previous prime is 31103140973. The next prime is 31103141033. The reversal of 31103141031 is 13014130113.

31103141031 is a `hidden beast` number, since 311 + 0 + 314 + 10 + 31 = 666.

It is not a de Polignac number, because 31103141031 - 2⁷ = 31103140903 is a prime.

It is a super-2 number, since 2×31103141031² (a number of 22 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 = 31103140995 and 31103141013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31103141033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1727952271 + ... + 1727952288.

Almost surely, 2^31103141031 is an apocalyptic number.

31103141031 is a deficient number, since it is larger than the sum of its proper divisors (13823618249).

31103141031 is a wasteful number, since it uses less digits than its factorization.

31103141031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3455904565 (or 3455904562 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 31103141031 its reverse (13014130113), we get a palindrome (44117271144).

The spelling of 31103141031 in words is "thirty-one billion, one hundred three million, one hundred forty-one thousand, thirty-one".