31348214743 has 4 divisors (see below), whose sum is σ = 31348613088. Its totient is φ = 31347816400.

The previous prime is 31348214731. The next prime is 31348214753. The reversal of 31348214743 is 34741284313.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 34741284313 = 839 ⋅41407967.

It is a cyclic number.

It is not a de Polignac number, because 31348214743 - 2²¹ = 31346117591 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31348214696 and 31348214705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31348214753) 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, 37246 + ... + 253147.

It is an arithmetic number, because the mean of its divisors is an integer number (7837153272).

Almost surely, 2^31348214743 is an apocalyptic number.

31348214743 is a deficient number, since it is larger than the sum of its proper divisors (398345).

31348214743 is a wasteful number, since it uses less digits than its factorization.

31348214743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398344.

The product of its digits is 193536, while the sum is 40.

The spelling of 31348214743 in words is "thirty-one billion, three hundred forty-eight million, two hundred fourteen thousand, seven hundred forty-three".