31001300010 has 24 divisors (see below), whose sum is σ = 80603380260. Its totient is φ = 8267013312.

The previous prime is 31001299999. The next prime is 31001300021. The reversal of 31001300010 is 1000310013.

It is an interprime number because it is at equal distance from previous prime (31001299999) and next prime (31001300021).

It can be written as a sum of positive squares in 2 ways, for example, as 24907468041 + 6093831969 = 157821^2 + 78063^2 .

It is a super-2 number, since 2×31001300010² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 31001299965 and 31001300001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172229355 + ... + 172229534.

Almost surely, 2^31001300010 is an apocalyptic number.

31001300010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31001300010 is an abundant number, since it is smaller than the sum of its proper divisors (49602080250).

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

31001300010 is a wasteful number, since it uses less digits than its factorization.

31001300010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344458902 (or 344458899 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 9.

Adding to 31001300010 its reverse (1000310013), we get a palindrome (32001610023).

The spelling of 31001300010 in words is "thirty-one billion, one million, three hundred thousand, ten".