131121213010 has 64 divisors (see below), whose sum is σ = 256843768320. Its totient is φ = 48010659840.

The previous prime is 131121213007. The next prime is 131121213023. The reversal of 131121213010 is 10312121131.

It is a happy 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, 826950 + ... + 972670.

It is an arithmetic number, because the mean of its divisors is an integer number (4013183880).

Almost surely, 2^131121213010 is an apocalyptic number.

131121213010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131121213010 is a deficient number, since it is larger than the sum of its proper divisors (125722555310).

131121213010 is a wasteful number, since it uses less digits than its factorization.

131121213010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145891.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 131121213010 its reverse (10312121131), we get a palindrome (141433334141).

The spelling of 131121213010 in words is "one hundred thirty-one billion, one hundred twenty-one million, two hundred thirteen thousand, ten".