33431066013413 has 2 divisors, whose sum is σ = 33431066013414. Its totient is φ = 33431066013412.

The previous prime is 33431066013409. The next prime is 33431066013461. The reversal of 33431066013413 is 31431066013433.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24818261494849 + 8612804518564 = 4981793^2 + 2934758^2 .

It is a cyclic number.

It is not a de Polignac number, because 33431066013413 - 2² = 33431066013409 is a prime.

It is a super-2 number, since 2×33431066013413² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33431066013403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16715533006706 + 16715533006707.

It is an arithmetic number, because the mean of its divisors is an integer number (16715533006707).

Almost surely, 2^{33431066013413} is an apocalyptic number.

It is an amenable number.

33431066013413 is a deficient number, since it is larger than the sum of its proper divisors (1).

33431066013413 is an equidigital number, since it uses as much as digits as its factorization.

33431066013413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 38.

The spelling of 33431066013413 in words is "thirty-three trillion, four hundred thirty-one billion, sixty-six million, thirteen thousand, four hundred thirteen".