101002103131019 has 4 divisors (see below), whose sum is σ = 101002550405400. Its totient is φ = 101001655856640.

The previous prime is 101002103130997. The next prime is 101002103131037. The reversal of 101002103131019 is 910131301200101.

It is a happy number.

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-101002103131019 is a prime.

It is a super-2 number, since 2×101002103131019² (a number of 29 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 = 101002103130985 and 101002103131003.

It is not an unprimeable number, because it can be changed into a prime (101002103131049) 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, 223298294 + ... + 223750155.

It is an arithmetic number, because the mean of its divisors is an integer number (25250637601350).

Almost surely, 2^{101002103131019} is an apocalyptic number.

101002103131019 is a deficient number, since it is larger than the sum of its proper divisors (447274381).

101002103131019 is an equidigital number, since it uses as much as digits as its factorization.

101002103131019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447274380.

The product of its (nonzero) digits is 162, while the sum is 23.

The spelling of 101002103131019 in words is "one hundred one trillion, two billion, one hundred three million, one hundred thirty-one thousand, nineteen".