1603620453131 has 4 divisors (see below), whose sum is σ = 1673343081552. Its totient is φ = 1533897824712.

The previous prime is 1603620453119. The next prime is 1603620453157. The reversal of 1603620453131 is 1313540263061.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1603620453131 is a prime.

It is a super-2 number, since 2×1603620453131² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1603620453091 and 1603620453100.

It is not an unprimeable number, because it can be changed into a prime (1603620453191) 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, 34861314176 + ... + 34861314221.

It is an arithmetic number, because the mean of its divisors is an integer number (418335770388).

Almost surely, 2^{1603620453131} is an apocalyptic number.

1603620453131 is a deficient number, since it is larger than the sum of its proper divisors (69722628421).

1603620453131 is an equidigital number, since it uses as much as digits as its factorization.

1603620453131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69722628420.

The product of its (nonzero) digits is 38880, while the sum is 35.

The spelling of 1603620453131 in words is "one trillion, six hundred three billion, six hundred twenty million, four hundred fifty-three thousand, one hundred thirty-one".