131211211444010 has 16 divisors (see below), whose sum is σ = 250073132399496. Its totient is φ = 49397161955328.

The previous prime is 131211211443997. The next prime is 131211211444013. The reversal of 131211211444010 is 10444112112131.

It can be written as a sum of positive squares in 4 ways, for example, as 98162935413841 + 33048276030169 = 9907721^2 + 5748763^2 .

It is not an unprimeable number, because it can be changed into a prime (131211211444013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385915327607 + ... + 385915327946.

Almost surely, 2^{131211211444010} is an apocalyptic number.

131211211444010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131211211444010 is a deficient number, since it is larger than the sum of its proper divisors (118861920955486).

131211211444010 is a wasteful number, since it uses less digits than its factorization.

131211211444010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771830655577.

The product of its (nonzero) digits is 768, while the sum is 26.

Adding to 131211211444010 its reverse (10444112112131), we get a palindrome (141655323556141).

The spelling of 131211211444010 in words is "one hundred thirty-one trillion, two hundred eleven billion, two hundred eleven million, four hundred forty-four thousand, ten".