31641401 has 8 divisors (see below), whose sum is σ = 35451264. Its totient is φ = 27987120.

The previous prime is 31641377. The next prime is 31641413. The reversal of 31641401 is 10414613.

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

It is a cyclic number.

It is not a de Polignac number, because 31641401 - 2²² = 27447097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31641461) 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, 38465 + ... + 39278.

It is an arithmetic number, because the mean of its divisors is an integer number (4431408).

Almost surely, 2^31641401 is an apocalyptic number.

It is an amenable number.

31641401 is a deficient number, since it is larger than the sum of its proper divisors (3809863).

31641401 is a wasteful number, since it uses less digits than its factorization.

31641401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77791.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 31641401 is about 5625.0689773549. The cubic root of 31641401 is about 316.2898351608.

The spelling of 31641401 in words is "thirty-one million, six hundred forty-one thousand, four hundred one".