31234001 has 2 divisors, whose sum is σ = 31234002. Its totient is φ = 31234000.

The previous prime is 31233989. The next prime is 31234003. The reversal of 31234001 is 10043213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19571776 + 11662225 = 4424^2 + 3415^2 .

It is a cyclic number.

It is not a de Polignac number, because 31234001 - 2¹⁴ = 31217617 is a prime.

Together with 31234003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (31234003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15617000 + 15617001.

It is an arithmetic number, because the mean of its divisors is an integer number (15617001).

Almost surely, 2^31234001 is an apocalyptic number.

It is an amenable number.

31234001 is a deficient number, since it is larger than the sum of its proper divisors (1).

31234001 is an equidigital number, since it uses as much as digits as its factorization.

31234001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 31234001 is about 5588.7387664839. The cubic root of 31234001 is about 314.9265000261.

Adding to 31234001 its reverse (10043213), we get a palindrome (41277214).

The spelling of 31234001 in words is "thirty-one million, two hundred thirty-four thousand, one".