22013202131 has 8 divisors (see below), whose sum is σ = 23398794000. Its totient is φ = 20637687808.

The previous prime is 22013202103. The next prime is 22013202137. The reversal of 22013202131 is 13120231022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22013202131 - 2⁶ = 22013202067 is a prime.

It is a super-2 number, since 2×22013202131² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22013202137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2514881 + ... + 2523618.

It is an arithmetic number, because the mean of its divisors is an integer number (2924849250).

Almost surely, 2^22013202131 is an apocalyptic number.

22013202131 is a deficient number, since it is larger than the sum of its proper divisors (1385591869).

22013202131 is a wasteful number, since it uses less digits than its factorization.

22013202131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5038773.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22013202131 its reverse (13120231022), we get a palindrome (35133433153).

The spelling of 22013202131 in words is "twenty-two billion, thirteen million, two hundred two thousand, one hundred thirty-one".