1631045214 has 32 divisors (see below), whose sum is σ = 3692939040. Its totient is φ = 533422656.

The previous prime is 1631045209. The next prime is 1631045219. The reversal of 1631045214 is 4125401361.

It is a happy number.

1631045214 is a `hidden beast` number, since 1 + 631 + 0 + 4 + 5 + 21 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (1631045209) and next prime (1631045219).

It is a super-2 number, since 2×1631045214² = 5320616980224611592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1631045219) 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 15 ways as a sum of consecutive naturals, for example, 282087 + ... + 287810.

It is an arithmetic number, because the mean of its divisors is an integer number (115404345).

Almost surely, 2^1631045214 is an apocalyptic number.

1631045214 is an abundant number, since it is smaller than the sum of its proper divisors (2061893826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1631045214 is a wasteful number, since it uses less digits than its factorization.

1631045214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569961 (or 569955 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1631045214 is about 40386.2007869024. The cubic root of 1631045214 is about 1177.1234188685.

Adding to 1631045214 its reverse (4125401361), we get a palindrome (5756446575).

The spelling of 1631045214 in words is "one billion, six hundred thirty-one million, forty-five thousand, two hundred fourteen".