31114545543 has 12 divisors (see below), whose sum is σ = 45240871728. Its totient is φ = 20605658400.

The previous prime is 31114545533. The next prime is 31114545547. The reversal of 31114545543 is 34554541113.

31114545543 is a `hidden beast` number, since 3 + 111 + 454 + 55 + 43 = 666.

It is not a de Polignac number, because 31114545543 - 2⁶ = 31114545479 is a prime.

It is a super-2 number, since 2×31114545543² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31114545498 and 31114545507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31114545547) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11446230 + ... + 11448947.

It is an arithmetic number, because the mean of its divisors is an integer number (3770072644).

Almost surely, 2^31114545543 is an apocalyptic number.

31114545543 is a deficient number, since it is larger than the sum of its proper divisors (14126326185).

31114545543 is a wasteful number, since it uses less digits than its factorization.

31114545543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22895334 (or 22895331 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The spelling of 31114545543 in words is "thirty-one billion, one hundred fourteen million, five hundred forty-five thousand, five hundred forty-three".