1030312311202 has 4 divisors (see below), whose sum is σ = 1545468466806. Its totient is φ = 515156155600.

The previous prime is 1030312311179. The next prime is 1030312311227. The reversal of 1030312311202 is 2021132130301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 814125439521 + 216186871681 = 902289^2 + 464959^2 .

It is a super-2 number, since 2×1030312311202² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1030312311202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257578077799 + ... + 257578077802.

Almost surely, 2^{1030312311202} is an apocalyptic number.

1030312311202 is a deficient number, since it is larger than the sum of its proper divisors (515156155604).

1030312311202 is an equidigital number, since it uses as much as digits as its factorization.

1030312311202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515156155603.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1030312311202 its reverse (2021132130301), we get a palindrome (3051444441503).

The spelling of 1030312311202 in words is "one trillion, thirty billion, three hundred twelve million, three hundred eleven thousand, two hundred two".