31454022425 has 36 divisors (see below), whose sum is σ = 45389176380. Its totient is φ = 21559749120.

The previous prime is 31454022403. The next prime is 31454022433. The reversal of 31454022425 is 52422045413.

It can be written as a sum of positive squares in 6 ways, for example, as 290521 + 31453731904 = 539^2 + 177352^2 .

It is not a de Polignac number, because 31454022425 - 2¹² = 31454018329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31454022391 and 31454022400.

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, 4966661 + ... + 4972989.

It is an arithmetic number, because the mean of its divisors is an integer number (1260810455).

Almost surely, 2^31454022425 is an apocalyptic number.

31454022425 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

31454022425 is a deficient number, since it is larger than the sum of its proper divisors (13935153955).

31454022425 is a wasteful number, since it uses less digits than its factorization.

31454022425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10410 (or 10398 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 31454022425 its reverse (52422045413), we get a palindrome (83876067838).

The spelling of 31454022425 in words is "thirty-one billion, four hundred fifty-four million, twenty-two thousand, four hundred twenty-five".