31450053 has 4 divisors (see below), whose sum is σ = 41933408. Its totient is φ = 20966700.

The previous prime is 31450043. The next prime is 31450057. The reversal of 31450053 is 35005413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 31450053 - 2⁵ = 31450021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31450057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5241673 + ... + 5241678.

It is an arithmetic number, because the mean of its divisors is an integer number (10483352).

Almost surely, 2^31450053 is an apocalyptic number.

It is an amenable number.

31450053 is a deficient number, since it is larger than the sum of its proper divisors (10483355).

31450053 is a wasteful number, since it uses less digits than its factorization.

31450053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10483354.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 31450053 is about 5608.0346824890. The cubic root of 31450053 is about 315.6509692451.

Adding to 31450053 its reverse (35005413), we get a palindrome (66455466).

The spelling of 31450053 in words is "thirty-one million, four hundred fifty thousand, fifty-three".