31411145025 has 36 divisors (see below), whose sum is σ = 60588614268. Its totient is φ = 15463946880.

The previous prime is 31411144997. The next prime is 31411145039. The reversal of 31411145025 is 52054111413.

31411145025 is a `hidden beast` number, since 3 + 1 + 41 + 114 + 502 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 1293625089 + 30117519936 = 35967^2 + 173544^2 .

It is not a de Polignac number, because 31411145025 - 2⁸ = 31411144769 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31411145025.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5366502 + ... + 5372351.

It is an arithmetic number, because the mean of its divisors is an integer number (1683017063).

Almost surely, 2^31411145025 is an apocalyptic number.

It is an amenable number.

31411145025 is a deficient number, since it is larger than the sum of its proper divisors (29177469243).

31411145025 is a wasteful number, since it uses less digits than its factorization.

31411145025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10738882 (or 10738874 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 31411145025 its reverse (52054111413), we get a palindrome (83465256438).

The spelling of 31411145025 in words is "thirty-one billion, four hundred eleven million, one hundred forty-five thousand, twenty-five".