313542245551 has 4 divisors (see below), whose sum is σ = 331985907072. Its totient is φ = 295098584032.

The previous prime is 313542245519. The next prime is 313542245579. The reversal of 313542245551 is 155542245313.

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

It is a cyclic number.

It is not a de Polignac number, because 313542245551 - 2⁵ = 313542245519 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 (313542245851) 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, 9221830735 + ... + 9221830768.

It is an arithmetic number, because the mean of its divisors is an integer number (82996476768).

Almost surely, 2^313542245551 is an apocalyptic number.

313542245551 is a deficient number, since it is larger than the sum of its proper divisors (18443661521).

313542245551 is a wasteful number, since it uses less digits than its factorization.

313542245551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18443661520.

The product of its digits is 360000, while the sum is 40.

The spelling of 313542245551 in words is "three hundred thirteen billion, five hundred forty-two million, two hundred forty-five thousand, five hundred fifty-one".