3520611401231 has 4 divisors (see below), whose sum is σ = 3520617610464. Its totient is φ = 3520605192000.

The previous prime is 3520611401213. The next prime is 3520611401249. The reversal of 3520611401231 is 1321041160253.

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

It is an interprime number because it is at equal distance from previous prime (3520611401213) and next prime (3520611401249).

It is a cyclic number.

It is not a de Polignac number, because 3520611401231 - 2²⁶ = 3520544292367 is a prime.

It is a super-2 number, since 2×3520611401231² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3520611401194 and 3520611401203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3520611401291) 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, 2157890 + ... + 3420191.

It is an arithmetic number, because the mean of its divisors is an integer number (880154402616).

Almost surely, 2^{3520611401231} is an apocalyptic number.

3520611401231 is a deficient number, since it is larger than the sum of its proper divisors (6209233).

3520611401231 is an equidigital number, since it uses as much as digits as its factorization.

3520611401231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6209232.

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 3520611401231 its reverse (1321041160253), we get a palindrome (4841652561484).

The spelling of 3520611401231 in words is "three trillion, five hundred twenty billion, six hundred eleven million, four hundred one thousand, two hundred thirty-one".