31413401 has 2 divisors, whose sum is σ = 31413402. Its totient is φ = 31413400.

The previous prime is 31413397. The next prime is 31413427. The reversal of 31413401 is 10431413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29593600 + 1819801 = 5440^2 + 1349^2 .

It is a cyclic number.

It is not a de Polignac number, because 31413401 - 2² = 31413397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31413401.

It is not a weakly prime, because it can be changed into another prime (31413451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15706700 + 15706701.

It is an arithmetic number, because the mean of its divisors is an integer number (15706701).

Almost surely, 2^31413401 is an apocalyptic number.

It is an amenable number.

31413401 is a deficient number, since it is larger than the sum of its proper divisors (1).

31413401 is an equidigital number, since it uses as much as digits as its factorization.

31413401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 31413401 is about 5604.7659183948. The cubic root of 31413401 is about 315.5283013383.

Adding to 31413401 its reverse (10431413), we get a palindrome (41844814).

The spelling of 31413401 in words is "thirty-one million, four hundred thirteen thousand, four hundred one".