1313012054 has 4 divisors (see below), whose sum is σ = 1969518084. Its totient is φ = 656506026.

The previous prime is 1313012053. The next prime is 1313012059. The reversal of 1313012054 is 4502103131.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313012053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328253012 + ... + 328253015.

It is an arithmetic number, because the mean of its divisors is an integer number (492379521).

Almost surely, 2^1313012054 is an apocalyptic number.

1313012054 is a deficient number, since it is larger than the sum of its proper divisors (656506030).

1313012054 is an equidigital number, since it uses as much as digits as its factorization.

1313012054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656506029.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1313012054 is about 36235.5081929314. The cubic root of 1313012054 is about 1095.0221506052.

Adding to 1313012054 its reverse (4502103131), we get a palindrome (5815115185).

The spelling of 1313012054 in words is "one billion, three hundred thirteen million, twelve thousand, fifty-four".