121331031410 has 16 divisors (see below), whose sum is σ = 219014548056. Its totient is φ = 48394925568.

The previous prime is 121331031407. The next prime is 121331031467. The reversal of 121331031410 is 14130133121.

It can be written as a sum of positive squares in 4 ways, for example, as 79009901569 + 42321129841 = 281087^2 + 205721^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17182169 + ... + 17189228.

Almost surely, 2^121331031410 is an apocalyptic number.

121331031410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121331031410 is a deficient number, since it is larger than the sum of its proper divisors (97683516646).

121331031410 is a wasteful number, since it uses less digits than its factorization.

121331031410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34371757.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 121331031410 its reverse (14130133121), we get a palindrome (135461164531).

The spelling of 121331031410 in words is "one hundred twenty-one billion, three hundred thirty-one million, thirty-one thousand, four hundred ten".