31442302022145 has 64 divisors (see below), whose sum is σ = 58677948979200. Its totient is φ = 14371150067904.

The previous prime is 31442302022099. The next prime is 31442302022191. The reversal of 31442302022145 is 54122020324413.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (31442302022099) and next prime (31442302022191).

It is not a de Polignac number, because 31442302022145 - 2¹³ = 31442302013953 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29539282 + ... + 30585188.

It is an arithmetic number, because the mean of its divisors is an integer number (916842952800).

Almost surely, 2^{31442302022145} is an apocalyptic number.

31442302022145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

31442302022145 is a deficient number, since it is larger than the sum of its proper divisors (27235646957055).

31442302022145 is a wasteful number, since it uses less digits than its factorization.

31442302022145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051779 (or 1051765 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 31442302022145 its reverse (54122020324413), we get a palindrome (85564322346558).

The spelling of 31442302022145 in words is "thirty-one trillion, four hundred forty-two billion, three hundred two million, twenty-two thousand, one hundred forty-five".