31131110010201 has 8 divisors (see below), whose sum is σ = 42188608101504. Its totient is φ = 20413842629520.

The previous prime is 31131110010197. The next prime is 31131110010227. The reversal of 31131110010201 is 10201001113113.

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

It is not a de Polignac number, because 31131110010201 - 2² = 31131110010197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31131110010251) 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, 85057677441 + ... + 85057677806.

It is an arithmetic number, because the mean of its divisors is an integer number (5273576012688).

Almost surely, 2^{31131110010201} is an apocalyptic number.

It is an amenable number.

31131110010201 is a deficient number, since it is larger than the sum of its proper divisors (11057498091303).

31131110010201 is a wasteful number, since it uses less digits than its factorization.

31131110010201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170115355311.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 31131110010201 its reverse (10201001113113), we get a palindrome (41332111123314).

The spelling of 31131110010201 in words is "thirty-one trillion, one hundred thirty-one billion, one hundred ten million, ten thousand, two hundred one".