1013440312 has 32 divisors (see below), whose sum is σ = 2039558400. Its totient is φ = 470375424.

The previous prime is 1013440303. The next prime is 1013440321. The reversal of 1013440312 is 2130443101.

It is an interprime number because it is at equal distance from previous prime (1013440303) and next prime (1013440321).

It is a super-2 number, since 2×1013440312² = 2054122531973314688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1013440312.

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 7 ways as a sum of consecutive naturals, for example, 41112 + ... + 60967.

It is an arithmetic number, because the mean of its divisors is an integer number (63736200).

Almost surely, 2^1013440312 is an apocalyptic number.

It is an amenable number.

1013440312 is an abundant number, since it is smaller than the sum of its proper divisors (1026118088).

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

1013440312 is a wasteful number, since it uses less digits than its factorization.

1013440312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102175 (or 102171 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1013440312 is about 31834.5773020469. The cubic root of 1013440312 is about 1004.4601812078.

Adding to 1013440312 its reverse (2130443101), we get a palindrome (3143883413).

The spelling of 1013440312 in words is "one billion, thirteen million, four hundred forty thousand, three hundred twelve".