131121154121324 has 24 divisors (see below), whose sum is σ = 235668052866960. Its totient is φ = 63787490248896.

The previous prime is 131121154121281. The next prime is 131121154121329. The reversal of 131121154121324 is 423121451121131.

It is a happy number.

It is a super-3 number, since 3×131121154121324³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (131121154121329) 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, 130802 + ... + 16194425.

It is an arithmetic number, because the mean of its divisors is an integer number (9819502202790).

Almost surely, 2^{131121154121324} is an apocalyptic number.

It is an amenable number.

131121154121324 is a deficient number, since it is larger than the sum of its proper divisors (104546898745636).

131121154121324 is a wasteful number, since it uses less digits than its factorization.

131121154121324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16379537 (or 16379535 counting only the distinct ones).

The product of its digits is 5760, while the sum is 32.

The spelling of 131121154121324 in words is "one hundred thirty-one trillion, one hundred twenty-one billion, one hundred fifty-four million, one hundred twenty-one thousand, three hundred twenty-four".