1012321310 has 128 divisors (see below), whose sum is σ = 2553513984. Its totient is φ = 278530560.

The previous prime is 1012321307. The next prime is 1012321319. The reversal of 1012321310 is 131232101.

It is a super-2 number, since 2×1012321310² = 2049588869360232200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012321319) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 228032 + ... + 232428.

It is an arithmetic number, because the mean of its divisors is an integer number (19949328).

Almost surely, 2^1012321310 is an apocalyptic number.

1012321310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012321310 is an abundant number, since it is smaller than the sum of its proper divisors (1541192674).

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

1012321310 is a wasteful number, since it uses less digits than its factorization.

1012321310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4458.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1012321310 is about 31816.9971870383. The cubic root of 1012321310 is about 1004.0903495620.

Adding to 1012321310 its reverse (131232101), we get a palindrome (1143553411).

The spelling of 1012321310 in words is "one billion, twelve million, three hundred twenty-one thousand, three hundred ten".