310045145402 has 4 divisors (see below), whose sum is σ = 465067718106. Its totient is φ = 155022572700.

The previous prime is 310045145401. The next prime is 310045145441. The reversal of 310045145402 is 204541540013.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 204541540013 = 197 ⋅1038281929.

It can be written as a sum of positive squares in only one way, i.e., 307571177281 + 2473968121 = 554591^2 + 49739^2 .

It is a super-2 number, since 2×310045145402² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (310045145401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77511286349 + ... + 77511286352.

Almost surely, 2^310045145402 is an apocalyptic number.

310045145402 is a deficient number, since it is larger than the sum of its proper divisors (155022572704).

310045145402 is a wasteful number, since it uses less digits than its factorization.

310045145402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155022572703.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 310045145402 its reverse (204541540013), we get a palindrome (514586685415).

The spelling of 310045145402 in words is "three hundred ten billion, forty-five million, one hundred forty-five thousand, four hundred two".