45771031 has 2 divisors, whose sum is σ = 45771032. Its totient is φ = 45771030.

The previous prime is 45770999. The next prime is 45771041. The reversal of 45771031 is 13017754.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45771031 - 2⁵ = 45770999 is a prime.

It is a super-2 number, since 2×45771031² = 4189974557605922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45771041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22885515 + 22885516.

It is an arithmetic number, because the mean of its divisors is an integer number (22885516).

Almost surely, 2^45771031 is an apocalyptic number.

45771031 is a deficient number, since it is larger than the sum of its proper divisors (1).

45771031 is an equidigital number, since it uses as much as digits as its factorization.

45771031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 45771031 is about 6765.4291068638. The cubic root of 45771031 is about 357.7093002318.

Adding to 45771031 its reverse (13017754), we get a palindrome (58788785).

The spelling of 45771031 in words is "forty-five million, seven hundred seventy-one thousand, thirty-one".