31025061 has 12 divisors (see below), whose sum is σ = 44890560. Its totient is φ = 20648040.

The previous prime is 31025047. The next prime is 31025063. The reversal of 31025061 is 16052013.

It is not a de Polignac number, because 31025061 - 2¹⁹ = 30500773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31025063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3316 + ... + 8546.

It is an arithmetic number, because the mean of its divisors is an integer number (3740880).

Almost surely, 2^31025061 is an apocalyptic number.

It is an amenable number.

31025061 is a deficient number, since it is larger than the sum of its proper divisors (13865499).

31025061 is a wasteful number, since it uses less digits than its factorization.

31025061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5896 (or 5893 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 31025061 is about 5570.0144524049. The cubic root of 31025061 is about 314.2226942020. Note that the first 3 decimals are identical.

Adding to 31025061 its reverse (16052013), we get a palindrome (47077074).

The spelling of 31025061 in words is "thirty-one million, twenty-five thousand, sixty-one".