1081316503301 has 4 divisors (see below), whose sum is σ = 1081348343532. Its totient is φ = 1081284663072.

The previous prime is 1081316503279. The next prime is 1081316503303. The reversal of 1081316503301 is 1033056131801.

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

It can be written as a sum of positive squares in 2 ways, for example, as 232974190276 + 848342313025 = 482674^2 + 921055^2 .

It is a cyclic number.

It is not a de Polignac number, because 1081316503301 - 2²² = 1081312308997 is a prime.

It is a super-2 number, since 2×1081316503301² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081316503303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15869120 + ... + 15937113.

It is an arithmetic number, because the mean of its divisors is an integer number (270337085883).

Almost surely, 2^{1081316503301} is an apocalyptic number.

It is an amenable number.

1081316503301 is a deficient number, since it is larger than the sum of its proper divisors (31840231).

1081316503301 is an equidigital number, since it uses as much as digits as its factorization.

1081316503301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31840230.

The product of its (nonzero) digits is 6480, while the sum is 32.

The spelling of 1081316503301 in words is "one trillion, eighty-one billion, three hundred sixteen million, five hundred three thousand, three hundred one".