131481349 has 16 divisors (see below), whose sum is σ = 147026880. Its totient is φ = 116847360.

The previous prime is 131481347. The next prime is 131481353. The reversal of 131481349 is 943184131.

131481349 = T₂ + T₃ + ... + T₉₂₃.

It is a cyclic number.

It is not a de Polignac number, because 131481349 - 2¹ = 131481347 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131481347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148462 + ... + 149344.

It is an arithmetic number, because the mean of its divisors is an integer number (9189180).

Almost surely, 2^131481349 is an apocalyptic number.

131481349 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

131481349 is a deficient number, since it is larger than the sum of its proper divisors (15545531).

131481349 is a wasteful number, since it uses less digits than its factorization.

131481349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380.

The product of its digits is 10368, while the sum is 34.

The square root of 131481349 is about 11466.5316900971. The cubic root of 131481349 is about 508.4965965120.

The spelling of 131481349 in words is "one hundred thirty-one million, four hundred eighty-one thousand, three hundred forty-nine".