45201031 has 2 divisors, whose sum is σ = 45201032. Its totient is φ = 45201030.

The previous prime is 45201001. The next prime is 45201047. The reversal of 45201031 is 13010254.

It is an a-pointer prime, because the next prime (45201047) can be obtained adding 45201031 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45201031 - 2⁵ = 45200999 is a prime.

It is a super-2 number, since 2×45201031² = 4086266406925922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45200996 and 45201014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45201001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22600515 + 22600516.

It is an arithmetic number, because the mean of its divisors is an integer number (22600516).

Almost surely, 2^45201031 is an apocalyptic number.

45201031 is a deficient number, since it is larger than the sum of its proper divisors (1).

45201031 is an equidigital number, since it uses as much as digits as its factorization.

45201031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 45201031 is about 6723.1712011520. The cubic root of 45201031 is about 356.2182072377.

Adding to 45201031 its reverse (13010254), we get a palindrome (58211285).

The spelling of 45201031 in words is "forty-five million, two hundred one thousand, thirty-one".