20100312310 has 64 divisors (see below), whose sum is σ = 39445382592. Its totient is φ = 7330369536.

The previous prime is 20100312263. The next prime is 20100312347. The reversal of 20100312310 is 1321300102.

It is a super-3 number, since 3×20100312310³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4507602 + ... + 4512058.

It is an arithmetic number, because the mean of its divisors is an integer number (616334103).

Almost surely, 2^20100312310 is an apocalyptic number.

20100312310 is a deficient number, since it is larger than the sum of its proper divisors (19345070282).

20100312310 is a wasteful number, since it uses less digits than its factorization.

20100312310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4897.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20100312310 its reverse (1321300102), we get a palindrome (21421612412).

The spelling of 20100312310 in words is "twenty billion, one hundred million, three hundred twelve thousand, three hundred ten".