2101315545031 has 4 divisors (see below), whose sum is σ = 2113054738200. Its totient is φ = 2089576351864.

The previous prime is 2101315544983. The next prime is 2101315545041. The reversal of 2101315545031 is 1305455131012.

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

It is a cyclic number.

It is not a de Polignac number, because 2101315545031 - 2⁹ = 2101315544519 is a prime.

It is a super-2 number, since 2×2101315545031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2101315544984 and 2101315545002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101315545041) 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, 5869596316 + ... + 5869596673.

It is an arithmetic number, because the mean of its divisors is an integer number (528263684550).

Almost surely, 2^{2101315545031} is an apocalyptic number.

2101315545031 is a deficient number, since it is larger than the sum of its proper divisors (11739193169).

2101315545031 is a wasteful number, since it uses less digits than its factorization.

2101315545031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11739193168.

The product of its (nonzero) digits is 9000, while the sum is 31.

The spelling of 2101315545031 in words is "two trillion, one hundred one billion, three hundred fifteen million, five hundred forty-five thousand, thirty-one".