31424001 has 16 divisors (see below), whose sum is σ = 48021504. Its totient is φ = 17905104.

The previous prime is 31423993. The next prime is 31424009. The reversal of 31424001 is 10042413.

It is an interprime number because it is at equal distance from previous prime (31423993) and next prime (31424009).

It is not a de Polignac number, because 31424001 - 2³ = 31423993 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31424009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6090 + ... + 9996.

It is an arithmetic number, because the mean of its divisors is an integer number (3001344).

Almost surely, 2^31424001 is an apocalyptic number.

It is an amenable number.

31424001 is a deficient number, since it is larger than the sum of its proper divisors (16597503).

31424001 is a wasteful number, since it uses less digits than its factorization.

31424001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4300.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 31424001 is about 5605.7114624283. The cubic root of 31424001 is about 315.5637875083.

Adding to 31424001 its reverse (10042413), we get a palindrome (41466414).

The spelling of 31424001 in words is "thirty-one million, four hundred twenty-four thousand, one".