1013100202 has 4 divisors (see below), whose sum is σ = 1519650306. Its totient is φ = 506550100.

The previous prime is 1013100161. The next prime is 1013100211. The reversal of 1013100202 is 2020013101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2020013101 = 19 ⋅106316479.

It can be written as a sum of positive squares in only one way, i.e., 518882841 + 494217361 = 22779^2 + 22231^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253275049 + ... + 253275052.

Almost surely, 2^1013100202 is an apocalyptic number.

1013100202 is a deficient number, since it is larger than the sum of its proper divisors (506550104).

1013100202 is an equidigital number, since it uses as much as digits as its factorization.

1013100202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506550103.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1013100202 is about 31829.2350206536. The cubic root of 1013100202 is about 1004.3478032112.

Adding to 1013100202 its reverse (2020013101), we get a palindrome (3033113303).

The spelling of 1013100202 in words is "one billion, thirteen million, one hundred thousand, two hundred two".