31441402 has 16 divisors (see below), whose sum is σ = 49082112. Its totient is φ = 15093520.

The previous prime is 31441393. The next prime is 31441411. The reversal of 31441402 is 20414413.

It is an interprime number because it is at equal distance from previous prime (31441393) and next prime (31441411).

It is a self number, because there is not a number n which added to its sum of digits gives 31441402.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1827 + ... + 8137.

It is an arithmetic number, because the mean of its divisors is an integer number (3067632).

Almost surely, 2^31441402 is an apocalyptic number.

31441402 is a deficient number, since it is larger than the sum of its proper divisors (17640710).

31441402 is a wasteful number, since it uses less digits than its factorization.

31441402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6413.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 31441402 is about 5607.2633253665. The cubic root of 31441402 is about 315.6220244401.

Adding to 31441402 its reverse (20414413), we get a palindrome (51855815).

The spelling of 31441402 in words is "thirty-one million, four hundred forty-one thousand, four hundred two".