313213002031 has 4 divisors (see below), whose sum is σ = 313328538864. Its totient is φ = 313097465200.

The previous prime is 313213002023. The next prime is 313213002107. The reversal of 313213002031 is 130200312313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130200312313 = 1913 ⋅68060801.

It is a cyclic number.

It is not a de Polignac number, because 313213002031 - 2³ = 313213002023 is a prime.

It is a super-2 number, since 2×313213002031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313213002001) 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, 57764350 + ... + 57769771.

It is an arithmetic number, because the mean of its divisors is an integer number (78332134716).

Almost surely, 2^313213002031 is an apocalyptic number.

313213002031 is a deficient number, since it is larger than the sum of its proper divisors (115536833).

313213002031 is a wasteful number, since it uses less digits than its factorization.

313213002031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115536832.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 313213002031 its reverse (130200312313), we get a palindrome (443413314344).

The spelling of 313213002031 in words is "three hundred thirteen billion, two hundred thirteen million, two thousand, thirty-one".