31350453145 has 16 divisors (see below), whose sum is σ = 41312396160. Its totient is φ = 22649328000.

The previous prime is 31350453107. The next prime is 31350453203. The reversal of 31350453145 is 54135405313.

It is not a de Polignac number, because 31350453145 - 2¹⁵ = 31350420377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31350453145.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1879140 + ... + 1895749.

It is an arithmetic number, because the mean of its divisors is an integer number (2582024760).

Almost surely, 2^31350453145 is an apocalyptic number.

It is an amenable number.

31350453145 is a deficient number, since it is larger than the sum of its proper divisors (9961943015).

31350453145 is a wasteful number, since it uses less digits than its factorization.

31350453145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3775056.

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 31350453145 its reverse (54135405313), we get a palindrome (85485858458).

The spelling of 31350453145 in words is "thirty-one billion, three hundred fifty million, four hundred fifty-three thousand, one hundred forty-five".