31420023113043 has 24 divisors (see below), whose sum is σ = 45441720387648. Its totient is φ = 20920265078832.

The previous prime is 31420023113041. The next prime is 31420023113093. The reversal of 31420023113043 is 34031132002413.

It is a happy number.

31420023113043 is a `hidden beast` number, since 3 + 1 + 42 + 0 + 0 + 2 + 311 + 304 + 3 = 666.

It is not a de Polignac number, because 31420023113043 - 2¹ = 31420023113041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31420023112998 and 31420023113016.

It is not an unprimeable number, because it can be changed into a prime (31420023113041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 158310196 + ... + 158508542.

It is an arithmetic number, because the mean of its divisors is an integer number (1893405016152).

Almost surely, 2^{31420023113043} is an apocalyptic number.

31420023113043 is a deficient number, since it is larger than the sum of its proper divisors (14021697274605).

31420023113043 is a wasteful number, since it uses less digits than its factorization.

31420023113043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220463 (or 220460 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 31420023113043 its reverse (34031132002413), we get a palindrome (65451155115456).

The spelling of 31420023113043 in words is "thirty-one trillion, four hundred twenty billion, twenty-three million, one hundred thirteen thousand, forty-three".