31401002 has 8 divisors (see below), whose sum is σ = 47130336. Its totient is φ = 15690892.

The previous prime is 31400983. The next prime is 31401011. The reversal of 31401002 is 20010413.

It is a happy number.

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

It is an unprimeable number.

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, 413 + ... + 7935.

It is an arithmetic number, because the mean of its divisors is an integer number (5891292).

Almost surely, 2^31401002 is an apocalyptic number.

31401002 is a deficient number, since it is larger than the sum of its proper divisors (15729334).

31401002 is a wasteful number, since it uses less digits than its factorization.

31401002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9612.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 31401002 is about 5603.6596970194. The cubic root of 31401002 is about 315.4867824310.

Adding to 31401002 its reverse (20010413), we get a palindrome (51411415).

The spelling of 31401002 in words is "thirty-one million, four hundred one thousand, two".