313012213131 has 8 divisors (see below), whose sum is σ = 417360658320. Its totient is φ = 208669288352.

The previous prime is 313012213121. The next prime is 313012213147. The reversal of 313012213131 is 131312210313.

It is a happy number.

313012213131 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 313012213131 - 2¹⁵ = 313012180363 is a prime.

It is a super-2 number, since 2×313012213131² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 313012213098 and 313012213107.

It is not an unprimeable number, because it can be changed into a prime (313012213121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1245936 + ... + 1475933.

It is an arithmetic number, because the mean of its divisors is an integer number (52170082290).

Almost surely, 2^313012213131 is an apocalyptic number.

313012213131 is a deficient number, since it is larger than the sum of its proper divisors (104348445189).

313012213131 is a wasteful number, since it uses less digits than its factorization.

313012213131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2760205.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 313012213131 its reverse (131312210313), we get a palindrome (444324423444).

The spelling of 313012213131 in words is "three hundred thirteen billion, twelve million, two hundred thirteen thousand, one hundred thirty-one".