31100131013293 has 4 divisors (see below), whose sum is σ = 31104729590368. Its totient is φ = 31095532436220.

The previous prime is 31100131013291. The next prime is 31100131013381. The reversal of 31100131013293 is 39231013100113.

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 31100131013293 - 2¹ = 31100131013291 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 (31100131013291) 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 3 ways as a sum of consecutive naturals, for example, 2299278393 + ... + 2299291918.

It is an arithmetic number, because the mean of its divisors is an integer number (7776182397592).

Almost surely, 2^{31100131013293} is an apocalyptic number.

It is an amenable number.

31100131013293 is a deficient number, since it is larger than the sum of its proper divisors (4598577075).

31100131013293 is an equidigital number, since it uses as much as digits as its factorization.

31100131013293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4598577074.

The product of its (nonzero) digits is 1458, while the sum is 28.

The spelling of 31100131013293 in words is "thirty-one trillion, one hundred billion, one hundred thirty-one million, thirteen thousand, two hundred ninety-three".