61225070231 has 16 divisors (see below), whose sum is σ = 66795724800. Its totient is φ = 55777988448.

The previous prime is 61225070213. The next prime is 61225070233. The reversal of 61225070231 is 13207052216.

It is a happy number.

61225070231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61225070231 - 2⁶ = 61225070167 is a prime.

It is a super-2 number, since 2×61225070231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61225070194 and 61225070203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61225070233) 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, 2946380 + ... + 2967086.

It is an arithmetic number, because the mean of its divisors is an integer number (4174732800).

Almost surely, 2^61225070231 is an apocalyptic number.

61225070231 is a deficient number, since it is larger than the sum of its proper divisors (5570654569).

61225070231 is a wasteful number, since it uses less digits than its factorization.

61225070231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23678.

The product of its (nonzero) digits is 5040, while the sum is 29.

The spelling of 61225070231 in words is "sixty-one billion, two hundred twenty-five million, seventy thousand, two hundred thirty-one".