1031206051320 has 64 divisors (see below), whose sum is σ = 3093700608000. Its totient is φ = 274980951168.

The previous prime is 1031206051273. The next prime is 1031206051321. The reversal of 1031206051320 is 231506021301.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031206051321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5582601 + ... + 5764359.

It is an arithmetic number, because the mean of its divisors is an integer number (48339072000).

Almost surely, 2^{1031206051320} is an apocalyptic number.

1031206051320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031206051320 is an abundant number, since it is smaller than the sum of its proper divisors (2062494556680).

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

1031206051320 is a wasteful number, since it uses less digits than its factorization.

1031206051320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229052 (or 229048 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The spelling of 1031206051320 in words is "one trillion, thirty-one billion, two hundred six million, fifty-one thousand, three hundred twenty".