31400162 has 8 divisors (see below), whose sum is σ = 47136492. Its totient is φ = 15688000.

The previous prime is 31400143. The next prime is 31400167. The reversal of 31400162 is 26100413.

It can be written as a sum of positive squares in 2 ways, for example, as 30591961 + 808201 = 5531^2 + 899^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 31400162.

It is not an unprimeable number, because it can be changed into a prime (31400167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2339 + ... + 8262.

Almost surely, 2^31400162 is an apocalyptic number.

31400162 is a deficient number, since it is larger than the sum of its proper divisors (15736330).

31400162 is a wasteful number, since it uses less digits than its factorization.

31400162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12084.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 31400162 is about 5603.5847455000. The cubic root of 31400162 is about 315.4839692378.

Adding to 31400162 its reverse (26100413), we get a palindrome (57500575).

The spelling of 31400162 in words is "thirty-one million, four hundred thousand, one hundred sixty-two".