31053137 has 2 divisors, whose sum is σ = 31053138. Its totient is φ = 31053136.

The previous prime is 31053131. The next prime is 31053173. The reversal of 31053137 is 73135013.

It is a happy number.

Together with next prime (31053173) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26173456 + 4879681 = 5116^2 + 2209^2 .

It is a cyclic number.

It is not a de Polignac number, because 31053137 - 2⁶ = 31053073 is a prime.

It is a super-3 number, since 3×31053137³ (a number of 23 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (31053131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15526568 + 15526569.

It is an arithmetic number, because the mean of its divisors is an integer number (15526569).

Almost surely, 2^31053137 is an apocalyptic number.

It is an amenable number.

31053137 is a deficient number, since it is larger than the sum of its proper divisors (1).

31053137 is an equidigital number, since it uses as much as digits as its factorization.

31053137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 945, while the sum is 23.

The square root of 31053137 is about 5572.5341631972. The cubic root of 31053137 is about 314.3174504650.

The spelling of 31053137 in words is "thirty-one million, fifty-three thousand, one hundred thirty-seven".