31130101122000 has 160 divisors (see below), whose sum is σ = 101284213704960. Its totient is φ = 8225200857600.

The previous prime is 31130101121969. The next prime is 31130101122007. The reversal of 31130101122000 is 22110103113.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31130101122007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23145772 + ... + 24453771.

It is an arithmetic number, because the mean of its divisors is an integer number (633026335656).

Almost surely, 2^{31130101122000} is an apocalyptic number.

31130101122000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31130101122000 is an abundant number, since it is smaller than the sum of its proper divisors (70154112582960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31130101122000 is a wasteful number, since it uses less digits than its factorization.

31130101122000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47599678 (or 47599662 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 31130101122000 its reverse (22110103113), we get a palindrome (31152211225113).

The spelling of 31130101122000 in words is "thirty-one trillion, one hundred thirty billion, one hundred one million, one hundred twenty-two thousand".