31423331010 has 32 divisors (see below), whose sum is σ = 75465364032. Its totient is φ = 8374069440.

The previous prime is 31423330999. The next prime is 31423331041. The reversal of 31423331010 is 1013332413.

It is a super-3 number, since 3×31423331010³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296149 + ... + 388008.

It is an arithmetic number, because the mean of its divisors is an integer number (2358292626).

Almost surely, 2^31423331010 is an apocalyptic number.

31423331010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31423331010 is an abundant number, since it is smaller than the sum of its proper divisors (44042033022).

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

31423331010 is a wasteful number, since it uses less digits than its factorization.

31423331010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685698.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 31423331010 its reverse (1013332413), we get a palindrome (32436663423).

The spelling of 31423331010 in words is "thirty-one billion, four hundred twenty-three million, three hundred thirty-one thousand, ten".