3123540513001 has 2 divisors, whose sum is σ = 3123540513002. Its totient is φ = 3123540513000.

The previous prime is 3123540512999. The next prime is 3123540513011. The reversal of 3123540513001 is 1003150453213.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2017604339776 + 1105936173225 = 1420424^2 + 1051635^2 .

It is a cyclic number.

It is not a de Polignac number, because 3123540513001 - 2¹ = 3123540512999 is a prime.

Together with 3123540512999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3123540513011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561770256500 + 1561770256501.

It is an arithmetic number, because the mean of its divisors is an integer number (1561770256501).

Almost surely, 2^{3123540513001} is an apocalyptic number.

It is an amenable number.

3123540513001 is a deficient number, since it is larger than the sum of its proper divisors (1).

3123540513001 is an equidigital number, since it uses as much as digits as its factorization.

3123540513001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 3123540513001 its reverse (1003150453213), we get a palindrome (4126690966214).

The spelling of 3123540513001 in words is "three trillion, one hundred twenty-three billion, five hundred forty million, five hundred thirteen thousand, one".