31120120244311 has 8 divisors (see below), whose sum is σ = 35565942350624. Its totient is φ = 26674320798720.

The previous prime is 31120120244303. The next prime is 31120120244377. The reversal of 31120120244311 is 11344202102113.

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

It is not a de Polignac number, because 31120120244311 - 2³ = 31120120244303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31120120245311) 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, 2612730 + ... + 8310631.

It is an arithmetic number, because the mean of its divisors is an integer number (4445742793828).

Almost surely, 2^{31120120244311} is an apocalyptic number.

31120120244311 is a deficient number, since it is larger than the sum of its proper divisors (4445822106313).

31120120244311 is a wasteful number, since it uses less digits than its factorization.

31120120244311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11330361.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 31120120244311 its reverse (11344202102113), we get a palindrome (42464322346424).

The spelling of 31120120244311 in words is "thirty-one trillion, one hundred twenty billion, one hundred twenty million, two hundred forty-four thousand, three hundred eleven".