310545143442 has 24 divisors (see below), whose sum is σ = 676334076444. Its totient is φ = 102978699264.

The previous prime is 310545143429. The next prime is 310545143551. The reversal of 310545143442 is 244341545013.

310545143442 is a `hidden beast` number, since 3 + 105 + 4 + 514 + 34 + 4 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 304316619201 + 6228524241 = 551649^2 + 78921^2 .

It is a super-2 number, since 2×310545143442² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 310545143397 and 310545143406.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44692143 + ... + 44699090.

Almost surely, 2^310545143442 is an apocalyptic number.

310545143442 is an abundant number, since it is smaller than the sum of its proper divisors (365788933002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

310545143442 is a wasteful number, since it uses less digits than its factorization.

310545143442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89391434 (or 89391431 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 310545143442 its reverse (244341545013), we get a palindrome (554886688455).

The spelling of 310545143442 in words is "three hundred ten billion, five hundred forty-five million, one hundred forty-three thousand, four hundred forty-two".