312213040144342 has 16 divisors (see below), whose sum is σ = 472616860945680. Its totient is φ = 154674091289952.

The previous prime is 312213040144333. The next prime is 312213040144349. The reversal of 312213040144342 is 243441040312213.

It is a super-2 number, since 2×312213040144342² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312213040144298 and 312213040144307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312213040144349) 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, 246504693 + ... + 247768015.

It is an arithmetic number, because the mean of its divisors is an integer number (29538553809105).

Almost surely, 2^{312213040144342} is an apocalyptic number.

312213040144342 is a deficient number, since it is larger than the sum of its proper divisors (160403820801338).

312213040144342 is a wasteful number, since it uses less digits than its factorization.

312213040144342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2397087.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 312213040144342 its reverse (243441040312213), we get a palindrome (555654080456555).

The spelling of 312213040144342 in words is "three hundred twelve trillion, two hundred thirteen billion, forty million, one hundred forty-four thousand, three hundred forty-two".