61431214 has 16 divisors (see below), whose sum is σ = 99389808. Its totient is φ = 28308672.

The previous prime is 61431203. The next prime is 61431221. The reversal of 61431214 is 41213416.

It is a congruent number.

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, 20074 + ... + 22930.

It is an arithmetic number, because the mean of its divisors is an integer number (6211863).

Almost surely, 2^61431214 is an apocalyptic number.

61431214 is a deficient number, since it is larger than the sum of its proper divisors (37958594).

61431214 is a wasteful number, since it uses less digits than its factorization.

61431214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3699.

The product of its digits is 576, while the sum is 22.

The square root of 61431214 is about 7837.8067085123. The cubic root of 61431214 is about 394.5751218475.

The spelling of 61431214 in words is "sixty-one million, four hundred thirty-one thousand, two hundred fourteen".