31341230145 has 24 divisors (see below), whose sum is σ = 55349799336. Its totient is φ = 16399938048.

The previous prime is 31341230119. The next prime is 31341230153. The reversal of 31341230145 is 54103214313.

It is a happy number.

31341230145 is a `hidden beast` number, since 313 + 4 + 1 + 2 + 301 + 45 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2652662016 + 28688568129 = 51504^2 + 169377^2 .

It is not a de Polignac number, because 31341230145 - 2¹³ = 31341221953 is a prime.

It is a super-3 number, since 3×31341230145³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6568104 + ... + 6572873.

It is an arithmetic number, because the mean of its divisors is an integer number (2306241639).

Almost surely, 2^31341230145 is an apocalyptic number.

It is an amenable number.

31341230145 is a deficient number, since it is larger than the sum of its proper divisors (24008569191).

31341230145 is a wasteful number, since it uses less digits than its factorization.

31341230145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13141041 (or 13141038 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 31341230145 its reverse (54103214313), we get a palindrome (85444444458).

The spelling of 31341230145 in words is "thirty-one billion, three hundred forty-one million, two hundred thirty thousand, one hundred forty-five".