31231131201301 has 8 divisors (see below), whose sum is σ = 31235543481440. Its totient is φ = 31226719259952.

The previous prime is 31231131201299. The next prime is 31231131201349. The reversal of 31231131201301 is 10310213113213.

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 31231131201301 - 2¹ = 31231131201299 is a prime.

It is a super-2 number, since 2×31231131201301² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31231131201001) 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, 224068090 + ... + 224207428.

It is an arithmetic number, because the mean of its divisors is an integer number (3904442935180).

Almost surely, 2^{31231131201301} is an apocalyptic number.

It is an amenable number.

31231131201301 is a deficient number, since it is larger than the sum of its proper divisors (4412280139).

31231131201301 is a wasteful number, since it uses less digits than its factorization.

31231131201301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169395.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 31231131201301 its reverse (10310213113213), we get a palindrome (41541344314514).

The spelling of 31231131201301 in words is "thirty-one trillion, two hundred thirty-one billion, one hundred thirty-one million, two hundred one thousand, three hundred one".