163031142 has 16 divisors (see below), whose sum is σ = 327226032. Its totient is φ = 54149760.

The previous prime is 163031137. The next prime is 163031147. The reversal of 163031142 is 241130361.

It is an interprime number because it is at equal distance from previous prime (163031137) and next prime (163031147).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163031147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46663 + ... + 50034.

It is an arithmetic number, because the mean of its divisors is an integer number (20451627).

Almost surely, 2^163031142 is an apocalyptic number.

163031142 is an abundant number, since it is smaller than the sum of its proper divisors (164194890).

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

163031142 is a wasteful number, since it uses less digits than its factorization.

163031142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96983.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 163031142 is about 12768.3648914025. The cubic root of 163031142 is about 546.2903432371.

The spelling of 163031142 in words is "one hundred sixty-three million, thirty-one thousand, one hundred forty-two".