10101131213 has 4 divisors (see below), whose sum is σ = 10695315420. Its totient is φ = 9506947008.

The previous prime is 10101131189. The next prime is 10101131231. The reversal of 10101131213 is 31213110101.

It is a happy number.

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 9231942889 + 869188324 = 96083^2 + 29482^2 .

It is a cyclic number.

It is not a de Polignac number, because 10101131213 - 2¹² = 10101127117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101131263) 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, 297092078 + ... + 297092111.

It is an arithmetic number, because the mean of its divisors is an integer number (2673828855).

Almost surely, 2^10101131213 is an apocalyptic number.

It is an amenable number.

10101131213 is a deficient number, since it is larger than the sum of its proper divisors (594184207).

10101131213 is an equidigital number, since it uses as much as digits as its factorization.

10101131213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594184206.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 10101131213 its reverse (31213110101), we get a palindrome (41314241314).

The spelling of 10101131213 in words is "ten billion, one hundred one million, one hundred thirty-one thousand, two hundred thirteen".