311031004021342 has 16 divisors (see below), whose sum is σ = 509027156668800. Its totient is φ = 141359025793240.

The previous prime is 311031004021307. The next prime is 311031004021531. The reversal of 311031004021342 is 243120400130113.

It is a super-3 number, since 3×311031004021342³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 934995292 + ... + 935327887.

It is an arithmetic number, because the mean of its divisors is an integer number (31814197291800).

Almost surely, 2^{311031004021342} is an apocalyptic number.

311031004021342 is a deficient number, since it is larger than the sum of its proper divisors (197996152647458).

311031004021342 is a wasteful number, since it uses less digits than its factorization.

311031004021342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870330751.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 311031004021342 its reverse (243120400130113), we get a palindrome (554151404151455).

The spelling of 311031004021342 in words is "three hundred eleven trillion, thirty-one billion, four million, twenty-one thousand, three hundred forty-two".