1513123342034 has 4 divisors (see below), whose sum is σ = 2269685013054. Its totient is φ = 756561671016.

The previous prime is 1513123341943. The next prime is 1513123342037. The reversal of 1513123342034 is 4302433213151.

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

It can be written as a sum of positive squares in only one way, i.e., 812224525225 + 700898816809 = 901235^2 + 837197^2 .

It is not an unprimeable number, because it can be changed into a prime (1513123342037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 378280835507 + ... + 378280835510.

Almost surely, 2^{1513123342034} is an apocalyptic number.

1513123342034 is a deficient number, since it is larger than the sum of its proper divisors (756561671020).

1513123342034 is an equidigital number, since it uses as much as digits as its factorization.

1513123342034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756561671019.

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 1513123342034 its reverse (4302433213151), we get a palindrome (5815556555185).

The spelling of 1513123342034 in words is "one trillion, five hundred thirteen billion, one hundred twenty-three million, three hundred forty-two thousand, thirty-four".