61324161031 has 8 divisors (see below), whose sum is σ = 70447890464. Its totient is φ = 52291215360.

The previous prime is 61324161029. The next prime is 61324161089. The reversal of 61324161031 is 13016142316.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61324161031 - 2¹ = 61324161029 is a prime.

It is a super-2 number, since 2×61324161031² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61324165031) 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, 22694490 + ... + 22697191.

It is an arithmetic number, because the mean of its divisors is an integer number (8805986308).

Almost surely, 2^61324161031 is an apocalyptic number.

61324161031 is a deficient number, since it is larger than the sum of its proper divisors (9123729433).

61324161031 is a wasteful number, since it uses less digits than its factorization.

61324161031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45391881.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 61324161031 in words is "sixty-one billion, three hundred twenty-four million, one hundred sixty-one thousand, thirty-one".