1011231020310 has 64 divisors (see below), whose sum is σ = 2819132135424. Its totient is φ = 227349360000.

The previous prime is 1011231020299. The next prime is 1011231020351. The reversal of 1011231020310 is 130201321101.

It is a happy number.

It is a super-2 number, since 2×1011231020310² (a number of 25 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1011231020310.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39457566 + ... + 39483185.

It is an arithmetic number, because the mean of its divisors is an integer number (44048939616).

Almost surely, 2^{1011231020310} is an apocalyptic number.

1011231020310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011231020310 is an abundant number, since it is smaller than the sum of its proper divisors (1807901115114).

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

1011231020310 is a wasteful number, since it uses less digits than its factorization.

1011231020310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78940829.

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

Adding to 1011231020310 its reverse (130201321101), we get a palindrome (1141432341411).

The spelling of 1011231020310 in words is "one trillion, eleven billion, two hundred thirty-one million, twenty thousand, three hundred ten".