3520023432311 has 4 divisors (see below), whose sum is σ = 3673067929392. Its totient is φ = 3366978935232.

The previous prime is 3520023432271. The next prime is 3520023432319. The reversal of 3520023432311 is 1132343200253.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3520023432311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3520023432319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76522248506 + ... + 76522248551.

It is an arithmetic number, because the mean of its divisors is an integer number (918266982348).

Almost surely, 2^{3520023432311} is an apocalyptic number.

3520023432311 is a deficient number, since it is larger than the sum of its proper divisors (153044497081).

3520023432311 is a wasteful number, since it uses less digits than its factorization.

3520023432311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153044497080.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 3520023432311 its reverse (1132343200253), we get a palindrome (4652366632564).

The spelling of 3520023432311 in words is "three trillion, five hundred twenty billion, twenty-three million, four hundred thirty-two thousand, three hundred eleven".