31435049 has 2 divisors, whose sum is σ = 31435050. Its totient is φ = 31435048.

The previous prime is 31435031. The next prime is 31435073. The reversal of 31435049 is 94053413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29593600 + 1841449 = 5440^2 + 1357^2 .

It is an emirp because it is prime and its reverse (94053413) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31435049 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (31435009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15717524 + 15717525.

It is an arithmetic number, because the mean of its divisors is an integer number (15717525).

Almost surely, 2^31435049 is an apocalyptic number.

It is an amenable number.

31435049 is a deficient number, since it is larger than the sum of its proper divisors (1).

31435049 is an equidigital number, since it uses as much as digits as its factorization.

31435049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 31435049 is about 5606.6967993641. The cubic root of 31435049 is about 315.6007649790.

It can be divided in two parts, 3143 and 5049, that added together give a 13-th power (8192 = 2¹³).

The spelling of 31435049 in words is "thirty-one million, four hundred thirty-five thousand, forty-nine".